Tru-Flate Quick Connect Air Couplings

Air leaks and slow tool swaps eat air and uptime. Tru-Flate quick connect couplings lock in fast, seal tight and keep flow up to 67 SCFM for impacts, blow guns and shop air drops. Choose standard zinc-plated, heavy-duty nitrated steel, composite safety venting or 4-ball high flow. We stock matching male and female nipples so you plug in and get back to work.

47 results

Tru-Flate Air Couplers

Tru-Flate Push-Button Air Couplers

Tru-Flate Push-Button Safety Couplers

Tru-Flate Parker® 4 Ball High Flow Air Couplers

Tru-Flate Parker Push-Lok® Style Air Couplers

Tru-Flate Kim-Flo Composite Couplers

Tru-Flate Kim-Flo Safety Couplers

Tru-Flate Male Nipples

Tru-Flate Female Nipples

Heavy-Duty Tru-Flate Male Nipples

Tru-Flate Color-Coded Female Nipples

Heavy-Duty Tru-Flate Female Nipples

Tru-Flate Parker Push-Lok® Style Nipples

Tru-Flate Air Couplers

Tru-Flate female air couplers in zinc-plated steel for pneumatic connections. Threaded NPT ends with 1/4" or 3/8" bodies for typical shop and industrial air lines. Zinc plating resists corrosion and provides longer service life while body size helps define airflow capacity.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	300 psi	Steel	2	52926	Log in to view price
1/4" x 1/4" FPT Steel Tru-Flate Female Air Coupler - 2 Pack Item #: 52926 Package Weight: 0.4 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	300 psi	Steel	2	52963	Log in to view price
1/4" x 3/8" FPT Steel Tru-Flate Female Air coupler - 2 Pack Item #: 52963 Package Weight: 0.4 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	300 psi	Steel	1	52980	Log in to view price
3/8" x 1/4" FPT Steel Tru-Flate Female Air Coupler Item #: 52980 Package Weight: 0.3 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	300 psi	Steel	1	52956	Log in to view price
3/8" x 3/8" FPT Steel Tru-Flate Female Air Coupler Item #: 52956 Package Weight: 0.3 lbs View Product Details Log in to Order

Tru-Flate Push-Button Air Couplers

Push-button Tru-Flate air couplers made from composite material with recessed side button for safer one-hand connect and disconnect. Lightweight and non-scratching exterior. Thru o-ring leak reduction helps lower compressor run time and operating costs.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	175 psi	Composite	1	52335	Log in to view price
1/4" x 1/4" MPT Push-Button Tru-Flate Male Air Coupler Item #: 52335 Package Weight: 0.2 lbs View Product Details Log in to Order
1/4"-18	Internal	NPT	175 psi	Composite	1	52334	Log in to view price
1/4" x 1/4" FPT Push-Button Tru-Flate Female Air Coupler Item #: 52334 Package Weight: 0.3 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	175 psi	Composite	1	52336	Log in to view price
1/4" x 3/8" FPT Push-Button Tru-Flate Female Air Coupler Item #: 52336 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	175 psi	Composite	1	52337	Log in to view price
3/8" x 1/4" FPT Push-Button Tru-Flate Female Air Coupler Item #: 52337 Package Weight: 0.4 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	175 psi	Composite	1	52338	Log in to view price
3/8" x 3/8" FPT Push-Button Tru-Flate Female Air Coupler Item #: 52338 Package Weight: 0.4 lbs View Product Details Log in to Order

Tru-Flate Push-Button Safety Couplers

Tru-Flate push-button safety couplers are composite female air line couplers with internal NPT threads and color-coded buttons. One press purges air and releases the nipple to reduce hose whip and accidental disconnects. Impact-resistant body provides a non-scratching, ergonomic grip.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	174 psi	Composite	1	52329	Log in to view price
1/4" x 1/4" FPT Push-Button Tru-Flate Female Air Line Safety Coupler Item #: 52329 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/8"-18	Internal	NPT	174 psi	Composite	1	52331	Log in to view price
3/8" x 3/8" FPT Push Button Tru-Flate Female Air Line Safety Coupler Item #: 52331 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 1/2"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/8"-18	Internal	NPT	174 psi	Composite	1	52583	Log in to view price
1/2" x 3/8" FPT Push Button Tru-Flate Female Air Line Safety Coupler Item #: 52583 Package Weight: 0.5 lbs View Product Details Log in to Order
1/2"-14	Internal	NPT	174 psi	Composite	1	52584	Log in to view price
1/2" x 1/2" FPT Push Button Tru-Flate Female Air Line Safety Coupler Item #: 52584 Package Weight: 0.5 lbs View Product Details Log in to Order

Tru-Flate Parker® 4 Ball High Flow Air Couplers

Parker Tru-Flate 4 ball high flow female air coupler in brass with 1/4" NPT internal threads. Four-ball lock improves reliability and service life. Tubular valve provides high airflow with minimal pressure drop and nitrile seals form a bubble-tight seal for equipment connections.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	300 psi	Brass	1	52595	Log in to view price
Parker® 1/4" x 1/4" FPT Tru-Flate 4 Ball High Flow Female Air Coupler Item #: 52595 Package Weight: 0.2 lbs View Product Details Log in to Order

Tru-Flate Parker Push-Lok® Style Air Couplers

Tru-Flate Parker Push-Lok® style air couplers in brass with hose barb ends. Fast push-on connection requires no clamps or crimping and provides secure grip and 300 psi maximum pressure. Compatible with Parker Push-Lok and Flex-Loc hose series for shop and industrial use.

Body Size: 1/4"

Hose Size	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	300 psi	Brass	1	52835	Log in to view price
1/4" x 1/4" Hose ID Parker Push-Lok® Style Tru-Flate Air Coupler Item #: 52835 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"	300 psi	Brass	1	52836	Log in to view price
1/4" x 3/8" Hose ID Parker Push-Lok® Style Tru-Flate Air Coupler Item #: 52836 Package Weight: 0.3 lbs View Product Details Log in to Order

Tru-Flate Kim-Flo Composite Couplers

Tru-Flate Kim-Flo composite couplers for air fittings. Composite body with push-in automatic coupling and composite retention tabs improves service life and resists abrasion, impact, crushing and static build-up. Suitable for shop and equipment maintenance tasks.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	Composite	1	523671	Log in to view price
1/4" x 1/4" MPT Tru-Flate Male Kim-Flo Composite Coupler Item #: 523671 Package Weight: 0.2 lbs View Product Details Log in to Order
1/4"-18	Internal	NPT	Composite	1	523670	Log in to view price
1/4" x 1/4" FPT Tru-Flate Female Kim-Flo Composite Coupler Item #: 523670 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	External	NPT	Composite	1	523673	Log in to view price
1/4" x 3/8" MPT Tru-Flate Male Kim-Flo Composite Coupler Item #: 523673 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	Composite	1	523672	Log in to view price
1/4" x 3/8" FPT Tru-Flate Female Kim-Flo Composite Coupler Item #: 523672 Package Weight: 0.2 lbs View Product Details Log in to Order

Tru-Flate Kim-Flo Safety Couplers

Tru-Flate Kim-Flo safety couplers are composite push-to-connect air couplers with Tru-Flate interface and NPT threaded ends. Composite retention tabs improve service life and reduce marring. Two-stage safety design helps depressurize before disconnecting for safer air tool use.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	Composite	1	523678	Log in to view price
1/4" x 1/4" MPT Tru-Flate Male Kim-Flo Safety Coupler Item #: 523678 Package Weight: 0.1 lbs View Product Details Log in to Order
1/4"-18	Internal	NPT	Composite	1	523674	Log in to view price
1/4" x 1/4" FPT Tru-Flate Female Kim-Flo Safety Coupler Item #: 523674 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	External	NPT	Composite	1	523677	Log in to view price
1/4" x 3/8" MPT Tru-Flate Male Kim-Flo Safety Coupler Item #: 523677 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	Composite	1	523676	Log in to view price
1/4" x 3/8" FPT Tru-Flate Female Kim-Flo Safety Coupler Item #: 523676 Package Weight: 0.2 lbs View Product Details Log in to Order

Tru-Flate Male Nipples

Tru-Flate male nipples for air fittings. Constructed from zinc-plated steel or noncorroding brass with standard NPT external threads and Tru-Flate interface. Body sizes handle common shop air volumes and resist corrosion for longer service life, useful for equipment maintenance.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	300 psi	Brass	5	52928B	Log in to view price
1/4" x 1/4" MPT Brass Tru-Flate Male Nipple (Plug) - 5 Pack Item #: 52928B Package Weight: 0.3 lbs View Product Details Log in to Order
1/4"-18	External	NPT	300 psi	Steel	5	52928	Log in to view price
1/4" x 1/4" MPT Steel Tru-Flate Male Nipple (Plug) - 5 Pack Item #: 52928 Package Weight: 0.3 lbs View Product Details Log in to Order
3/8"-18	External	NPT	300 psi	Steel	2	52965	Log in to view price
1/4" x 3/8" MPT Steel Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 52965 Package Weight: 0.2 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	300 psi	Steel	2	52981	Log in to view price
3/8" x 1/4" MPT Steel Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 52981 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	External	NPT	300 psi	Steel	2	52957	Log in to view price
3/8" x 3/8" MPT Steel Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 52957 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 1/2"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/8"-18	External	NPT	300 psi	Steel	2	52892	Log in to view price
1/2" x 3/8" MPT Steel Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 52892 Package Weight: 0.3 lbs View Product Details Log in to Order
1/2"-14	External	NPT	300 psi	Steel	2	52954	Log in to view price
1/2" x 1/2" MPT Steel Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 52954 Package Weight: 0.4 lbs View Product Details Log in to Order

Tru-Flate Female Nipples

Tru-Flate female nipples for air fittings in steel or brass with zinc plate on steel options. Standard NPT internal threads and Tru-Flate interface. Body sizes offer varied air capacity and the corrosion-resistant finishes help extend service life for general industrial and repair use.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	300 psi	Brass	5	52929B	Log in to view price
1/4" x 1/4" FPT Brass Tru-Flate Female Nipple (Plug) - 5 Pack Item #: 52929B Package Weight: 0.3 lbs View Product Details Log in to Order
1/4"-18	Internal	NPT	300 psi	Steel	5	52929	Log in to view price
1/4" x 1/4" FPT Steel Tru-Flate Female Nipple (Plug) - 5 Pack Item #: 52929 Package Weight: 0.3 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	300 psi	Steel	2	52964	Log in to view price
1/4" x 3/8" FPT Steel Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 52964 Package Weight: 0.1 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	300 psi	Steel	2	52982	Log in to view price
3/8" x 1/4" FPT Steel Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 52982 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	300 psi	Steel	2	52958	Log in to view price
3/8" x 3/8" FPT Steel Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 52958 Package Weight: 0.2 lbs View Product Details Log in to Order

Body Size: 1/2"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/8"-18	Internal	NPT	300 psi	Steel	2	52893	Log in to view price
1/2" x 3/8" FPT Steel Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 52893 Package Weight: 0.3 lbs View Product Details Log in to Order
1/2"-14	Internal	NPT	300 psi	Steel	2	52955	Log in to view price
1/2" x 1/2" FPT Steel Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 52955 Package Weight: 0.4 lbs View Product Details Log in to Order

Heavy-Duty Tru-Flate Male Nipples

Heavy-duty Tru-Flate male nipples made from nitrided steel for improved corrosion resistance and longer service life. Threaded external NPT connections with close tolerances provide leak‑free performance and full use up to 230 psi. Suitable for air-line couplers and repair tasks.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	230 psi	Nitrited Steel	5	521287	Log in to view price
1/4" x 1/4" MPT Heavy-Duty Tru-Flate Male Nipple (Plug) - 5 Pack Item #: 521287 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	External	NPT	230 psi	Nitrited Steel	2	521289	Log in to view price
3/8" x 1/4" MPT Heavy-Duty Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 521289 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	External	NPT	230 psi	Nitrited Steel	2	521291	Log in to view price
3/8" x 3/8" MPT Heavy-Duty Tru-Flate Male Nipple (Plug) - 2 Pack Item #: 521291 Package Weight: 0.2 lbs View Product Details Log in to Order

Tru-Flate Color-Coded Female Nipples

Tru-Flate color-coded female nipple plug made of heat-treated aluminum with zinc-plated finish and 1/4"-18 internal NPT threads. Blue Tru-Flate interface provides quick visual identification to avoid misconnections and helps prevent cross-contamination between lubricated and dry lines.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	Aluminum	5	521319	Log in to view price
1/4" x 1/4" FPT Aluminum Tru-Flate Color-Coded Female Nipple (Plug) - 5 Pack Item #: 521319 Package Weight: 0.1 lbs View Product Details Log in to Order

Heavy-Duty Tru-Flate Female Nipples

Heavy-duty Tru-Flate female nipples made from nitrided steel for improved corrosion resistance and longer service life. Threaded internal NPT connections with close tolerances provide leak-free performance and full use up to 230 psi. Suitable for air-line couplers and repair tasks.

Body Size: 1/4"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	230 psi	Nitrited Steel	5	521288	Log in to view price
1/4" x 1/4" FPT Heavy-Duty Tru-Flate Female Nipple (Plug) - 5 Pack Item #: 521288 Package Weight: 0.3 lbs View Product Details Log in to Order

Body Size: 3/8"

Thread Size	Thread Type	Measurement Type	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"-18	Internal	NPT	230 psi	Nitrited Steel	2	521290	Log in to view price
3/8" x 1/4" FPT Heavy-Duty Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 521290 Package Weight: 0.2 lbs View Product Details Log in to Order
3/8"-18	Internal	NPT	230 psi	Nitrited Steel	2	521292	Log in to view price
3/8" x 3/8" FPT Heavy-Duty Tru-Flate Female Nipple (Plug) - 2 Pack Item #: 521292 Package Weight: 0.3 lbs View Product Details Log in to Order

Tru-Flate Parker Push-Lok® Style Nipples

Tru-Flate Parker Push-Lok® style nipples for push-on hose connections. Steel construction with zinc plated finish and hose barb ends. Quick, tool-free attachment provides secure grip and reduces installation time. Suited for shop air systems and general industrial use.

Body Size: 1/4"

Hose Size	Maximum Pressure	Material	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	300 psi	Steel	2	52833	Log in to view price
1/4" x 1/4" Hose ID Parker Push-Lok® Style Tru-Flate Nipple (Plug) - 2 Pack Item #: 52833 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	300 psi	Steel	2	52834	Log in to view price
1/4" x 3/8" Hose ID Parker Push-Lok® Style Tru-Flate Nipple (Plug) - 2 Pack Item #: 52834 Package Weight: 0.2 lbs View Product Details Log in to Order