Threaded Plastic Caps & Plugs

Open hydraulic or pneumatic ports invite dirt, moisture and rework. Threaded plastic caps and plugs seal NPT, SAE straight thread O-ring and 37° or 45° flare fittings during service. Tough polyethylene shrugs off solvents, acids and caustics. Use plugs for ports, caps for external threads to keep mating surfaces clean and leak-free.

39 results

Threaded Plastic Plugs for Flared Fittings

Threaded Plastic Caps for Flared Fittings

NPT Threaded Pipe Plugs

SAE Straight Thread O-Ring Plugs

Threaded Plastic Plugs for Flared Fittings

Threaded plastic plugs for 37° and 45° flared JIC and SAE fittings. Molded polyethylene resists solvents, caustic and acid baths and seals out dust and moisture. Protects mating parts during disassembly and helps prevent contamination of fittings.

Tube OD	Thread Size	Material	Shape	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/16"	3/8"-24	Plastic	Plug	25	90659	Log in to view price
3/16" Threaded Plastic Plug for Flared Fittings - 25 Pack Item #: 90659 Package Weight: 0 lbs View Product Details Log in to Order
1/4"	7/16"-20	Plastic	Plug	25	90660	Log in to view price
1/4" Threaded Plastic Plug for Flared Fittings - 25 Pack Item #: 90660 Package Weight: 0.1 lbs View Product Details Log in to Order
5/16"	1/2"-20	Plastic	Plug	25	90661	Log in to view price
5/16" Threaded Plastic Plug for Flared Fittings - 25 Pack Item #: 90661 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	9/16"-18	Plastic	Plug	25	90662	Log in to view price
3/8" Threaded Plastic Plug for SAE JIC 37° Flared Fittings - 25 Pack Item #: 90662 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	5/8"-18	Plastic	Plug	25	90663	Log in to view price
3/8" Threaded Plastic Plug for SAE 45° Flared Fittings - 25 Pack Item #: 90663 Package Weight: 0.1 lbs View Product Details Log in to Order
1/2"	3/4"-16	Plastic	Plug	25	90664	Log in to view price
1/2" Threaded Plastic Plug for Flared Fittings - 25 Pack Item #: 90664 Package Weight: 0.2 lbs View Product Details Log in to Order
5/8"	7/8"-14	Plastic	Plug	10	90665	Log in to view price
5/8" Threaded Plastic Plug for Flared Fittings - 10 Pack Item #: 90665 Package Weight: 0.2 lbs View Product Details Log in to Order
3/4"	1-1/16"-12	Plastic	Plug	10	90666	Log in to view price
3/4" Threaded Plastic Plug for SAE JIC 37° Flared Fittings - 10 Pack Item #: 90666 Package Weight: 0.2 lbs View Product Details Log in to Order
3/4"	1-1/16"-14	Plastic	Plug	10	90667	Log in to view price
3/4" Threaded Plastic Plug for SAE 45° Flared Fittings - 10 Pack Item #: 90667 Package Weight: 0.2 lbs View Product Details Log in to Order
7/8"	1-3/16"	Plastic	Plug	10	90668	Log in to view price
7/8" Threaded Plastic Plug for Flared Fittings - 10 Pack Item #: 90668 Package Weight: 0.1 lbs View Product Details Log in to Order
1"	1-5/16"-12	Plastic	Plug	10	90669	Log in to view price
1" Threaded Plastic Plug for Flared Fittings - 10 Pack Item #: 90669 Package Weight: 0.1 lbs View Product Details Log in to Order
1-1/4"	1-5/8"-12	Plastic	Plug	10	90670	Log in to view price
1-1/4" Threaded Plastic Plug for Flared Fittings - 10 Pack Item #: 90670 Package Weight: 0.1 lbs View Product Details Log in to Order

Threaded Plastic Caps for Flared Fittings

Threaded plastic caps for 37° and 45° flared JIC fittings molded from resilient polyethylene. They provide a secure threaded seal to keep out dust and moisture and resist common solvents and caustic or acid baths. Useful for protecting mating parts during disassembly and repair.

Tube OD	Thread Size	Material	Shape	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
3/16"	3/8"-24	Plastic	Cap	25	90679	Log in to view price
3/16" Threaded Plastic Cap for Flared Fittings - 25 Pack Item #: 90679 Package Weight: 0 lbs View Product Details Log in to Order
1/4"	7/16"-20	Plastic	Cap	25	90680	Log in to view price
1/4" Threaded Plastic Cap for Flared Fittings - 25 Pack Item #: 90680 Package Weight: 0.1 lbs View Product Details Log in to Order
5/16"	1/2"-20	Plastic	Cap	25	90681	Log in to view price
5/16" Threaded Plastic Cap for Flared Fittings - 25 Pack Item #: 90681 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	9/16"-18	Plastic	Cap	25	90682	Log in to view price
3/8" Threaded Plastic Cap for SAE JIC 37° Flared Fittings - 25 Pack Item #: 90682 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	5/8"-18	Plastic	Cap	25	90683	Log in to view price
3/8" Threaded Plastic Cap for SAE 45° Flared Fittings - 25 Pack Item #: 90683 Package Weight: 0.1 lbs View Product Details Log in to Order
1/2"	3/4"-16	Plastic	Cap	25	90684	Log in to view price
1/2" Threaded Plastic Cap for Flared Fittings - 25 Pack Item #: 90684 Package Weight: 0.1 lbs View Product Details Log in to Order
5/8"	7/8"-14	Plastic	Cap	25	90685	Log in to view price
5/8" Threaded Plastic Cap for Flared Fittings - 25 Pack Item #: 90685 Package Weight: 0.1 lbs View Product Details Log in to Order
3/4"	1-1/16"-12	Plastic	Cap	10	90686	Log in to view price
3/4" Threaded Plastic Cap for SAE JIC 37° Flared Fittings - 10 Pack Item #: 90686 Package Weight: 0.1 lbs View Product Details Log in to Order
3/4"	1-1/16"-14	Plastic	Cap	10	90687	Log in to view price
3/4" Threaded Plastic Cap for SAE 45° Flared Fittings - 10 Pack Item #: 90687 Package Weight: 0.2 lbs View Product Details Log in to Order
7/8"	1-3/16"	Plastic	Cap	10	90688	Log in to view price
7/8" Threaded Plastic Cap for Flared Fittings - 10 Pack Item #: 90688 Package Weight: 0.1 lbs View Product Details Log in to Order
1"	1-5/16"-12	Plastic	Cap	10	90689	Log in to view price
1" Threaded Plastic Cap for Flared Fittings - 10 Pack Item #: 90689 Package Weight: 0.1 lbs View Product Details Log in to Order
1-1/4"	1-5/8"-12	Plastic	Cap	10	90690	Log in to view price
1-1/4" Threaded Plastic Cap for Flared Fittings - 10 Pack Item #: 90690 Package Weight: 0.1 lbs View Product Details Log in to Order

NPT Threaded Pipe Plugs

NPT threaded pipe plugs molded from polyethylene for sealing NPT ports and fittings. Plastic construction resists many chemicals and helps keep out dust and moisture during servicing. Multiple size options provide adaptable protection for industrial and repair tasks. Made in the U.S.A.

Tube OD	Thread Size	Material	Shape	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/8"	1/8"-27	Plastic	Plug	20	901014	Log in to view price
1/8" NPT Threaded Pipe Plug - 20 Pack Item #: 901014 Package Weight: 0 lbs View Product Details Log in to Order
1/4"	1/4"-18	Plastic	Plug	20	901015	Log in to view price
1/4" NPT Threaded Pipe Plug - 20 Pack Item #: 901015 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	3/8"-18	Plastic	Plug	20	901016	Log in to view price
3/8" NPT Threaded Pipe Plug - 20 Pack Item #: 901016 Package Weight: 0.1 lbs View Product Details Log in to Order
1/2"	1/2"-14	Plastic	Plug	20	901017	Log in to view price
1/2" NPT Threaded Pipe Plug - 20 Pack Item #: 901017 Package Weight: 0.1 lbs View Product Details Log in to Order
3/4"	3/4"-14	Plastic	Plug	20	901018	Log in to view price
3/4" NPT Threaded Pipe Plug - 20 Pack Item #: 901018 Package Weight: 0.2 lbs View Product Details Log in to Order
1"	1"-11-1/2	Plastic	Plug	5	901019	Log in to view price
1" NPT Threaded Pipe Plug - 5 Pack Item #: 901019 Package Weight: 0.1 lbs View Product Details Log in to Order
1-1/4"	1-1/4"	Plastic	Plug	5	901020	Log in to view price
1-1/4" NPT Threaded Pipe Plug - 5 Pack Item #: 901020 Package Weight: 0.1 lbs View Product Details Log in to Order

SAE Straight Thread O-Ring Plugs

SAE straight thread o-ring plugs made from high-density polyethylene for chemical resistance. Molded bead creates an o-ring type seal to help prevent leaks and keep out contaminants. Designed for straight thread o-ring ports and fittings, suitable for equipment maintenance. Made in the U.S.A.

Tube OD	Thread Size	Material	Shape	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	7/16"-20	Plastic	Plug	20	901028	Log in to view price
1/4" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901028 Package Weight: 0 lbs View Product Details Log in to Order
5/16"	1/2"-20	Plastic	Plug	20	901029	Log in to view price
5/16" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901029 Package Weight: 0.1 lbs View Product Details Log in to Order
3/8"	9/16"-18	Plastic	Plug	20	901030	Log in to view price
3/8" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901030 Package Weight: 0.1 lbs View Product Details Log in to Order
1/2"	3/4"-16	Plastic	Plug	20	901031	Log in to view price
1/2" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901031 Package Weight: 0.1 lbs View Product Details Log in to Order
5/8"	7/8"-14	Plastic	Plug	20	901032	Log in to view price
5/8" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901032 Package Weight: 0.1 lbs View Product Details Log in to Order
3/4"	1-1/16"-12	Plastic	Plug	20	901033	Log in to view price
3/4" SAE Straight Thread O-Ring Plug - 20 Pack Item #: 901033 Package Weight: 0.2 lbs View Product Details Log in to Order
1"	1-5/16"-12	Plastic	Plug	5	901034	Log in to view price
1" SAE Straight Thread O-Ring Plug - 5 Pack Item #: 901034 Package Weight: 0 lbs View Product Details Log in to Order
1-1/4"	1-5/8"-12	Plastic	Plug	5	901035	Log in to view price
1-1/4" SAE Straight Thread O-Ring Plug - 5 Pack Item #: 901035 Package Weight: 0.1 lbs View Product Details Log in to Order