Extension Springs

Need a positive return spring that will not quit? Our extension springs deliver reliable pull for linkages, latches and throttle return. Go Precision Series music wire with full loops for clean, repeatable builds, stock zinc plated carbon steel for everyday repairs, or grab an assortment to cover the oddball sizes on your truck. Meets QQ-W-428 and AMS specs.

166 results

Extension Springs

Extension Spring Assortments

Precision Series Extension Springs

Extension Springs

Premium quality carbon steel, zinc plated, meets Federal Spec. QQ-W-428 & AMS A227, A228, A229, A230, A231, A232, A233, A234, A235, A236, A237, A238, A239, A240, A241, A242, A243, A244, A245, A246, A247, A248, A249, A250, A251, A252, A253, A254, A255, A256, A257, A258, A259, A260, A261, A262, A263, A264, A265, A266, and A267.

Outside Diameter: 3/16"

Industry Number	Overall Length	Wire Diameter	Rate per Inch	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
E0C	1"	0.023"	3.22 lbs	4	62520	Log in to view price
3/16" x 1" Extension Spring - 4 Pack Item #: 62520 Package Weight: 0.1 lbs View Product Details Log in to Order
E1C	1-1/4"	0.023"	2.44 lbs	4	62009	Log in to view price
3/16" x 1-1/4" Extension Spring - 4 Pack Item #: 62009 Package Weight: 0.1 lbs View Product Details Log in to Order
E2C	1-1/2"	0.023"	1.88 lbs	4	62010	Log in to view price
3/16" x 1-1/2" Extension Spring - 4 Pack Item #: 62010 Package Weight: 0.1 lbs View Product Details Log in to Order
E3C	1-3/4"	0.023"	1.55 lbs	4	62011	Log in to view price
3/16" x 1-3/4" Extension Spring - 4 Pack Item #: 62011 Package Weight: 0.1 lbs View Product Details Log in to Order
E4C	2"	0.023"	1.34 lbs	4	62014	Log in to view price
3/16" x 2" Extension Spring - 4 Pack Item #: 62014 Package Weight: 0.1 lbs View Product Details Log in to Order
E6C	2-1/2"	0.023"	0.96 lbs	4	62017	Log in to view price
E6C Extension Spring - 4 Pack Item #: 62017 Package Weight: 0.1 lbs View Product Details Log in to Order
V14C	4"	0.023"	0.59 lbs	2	62045	Log in to view price
V14C Extension Spring - 2 Pack Item #: 62045 Package Weight: 0.1 lbs View Product Details Log in to Order

Outside Diameter: 7/32"

Industry Number	Overall Length	Wire Diameter	Rate per Inch	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
V12C	4"	0.0286"	0.98 lbs	2	62044	Log in to view price
V12C Extension Spring - 2 Pack Item #: 62044 Package Weight: 0.1 lbs View Product Details Log in to Order
V29C	6"	0.0286"	0.61 lbs	2	62052	Log in to view price
V29C Extension Spring - 2 Pack Item #: 62052 Package Weight: 0.1 lbs View Product Details Log in to Order

Outside Diameter: 1/4"

Industry Number	Overall Length	Wire Diameter	Rate per Inch	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
E10C	1-3/4"	0.0286"	2.01 lbs	4	62525	Log in to view price
1/4" x 1-3/4" Extension Spring - 4 Pack Item #: 62525 Package Weight: 0.1 lbs View Product Details Log in to Order
E11C	2"	0.0286"	1.64 lbs	4	62020	Log in to view price
E11C Extension Spring - 4 Pack Item #: 62020 Package Weight: 0.1 lbs View Product Details Log in to Order
E12C	2-1/4"	0.0286"	1.45 lbs	4	62526	Log in to view price
1/4" x 2-1/4" Extension Spring - 4 Pack Item #: 62526 Package Weight: 0.1 lbs View Product Details Log in to Order

View All

Extension Spring Assortments

Name	Number of Pieces	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/8" - 1/4" Precision Extension Spring Assortment	78	1	406277	Log in to view price
1/8" - 1/4" Precision Extension Spring Assortment Item #: 406277 Package Weight: 9.1 lbs View Product Details Log in to Order
100 Piece Extension Spring Assortment (1" - 4")	100	1	62591	Log in to view price
100 Piece Extension Spring Assortment (1" - 4") Item #: 62591 Package Weight: 1.4 lbs View Product Details Log in to Order
20 Piece Spring Assortment	20	1	62593	Log in to view price
20 Piece Spring Assortment Item #: 62593 Package Weight: 1.3 lbs View Product Details Log in to Order
25 Piece Extension Spring Assortment (2" - 12")	25	1	62590	Log in to view price
25 Piece Extension Spring Assortment (2" - 12") Item #: 62590 Package Weight: 2.9 lbs View Product Details Log in to Order
3/16" - 5/16" Extension Spring Assortment	48	1	406272	Log in to view price
3/16" - 5/16" Extension Spring Assortment Item #: 406272 Package Weight: 10.9 lbs View Product Details Log in to Order
3/8" - 7/16" Extension Spring Assortment	38	1	406273	Log in to view price
3/8" - 7/16" Extension Spring Assortment Item #: 406273 Package Weight: 10.8 lbs View Product Details Log in to Order
4" - 6" Extension Spring Assortment	30	1	406274	Log in to view price
4" - 6" Extension Spring Assortment Item #: 406274 Package Weight: 10.4 lbs View Product Details Log in to Order
5/16" - 1/2" Precision Extension Spring Assortment	72	1	406278	Log in to view price
5/16" - 1/2" Precision Extension Spring Assortment Item #: 406278 Package Weight: 9.2 lbs View Product Details Log in to Order
Extension Spring Assortment	48	1	40625	Log in to view price
Extension Spring Assortment Item #: 40625 Package Weight: 9.7 lbs View Product Details Log in to Order

Precision Series Extension Springs

Premium quality music wire is manufactured in fractional outside diameters and made with full loops on each end, making it ideal for maintenance, repair, and design.

Outside Diameter: 1/8"

Overall Length	Wire Diameter	Rate per Inch	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
0.05"	0.016"	4.9 lbs	4	621060	Log in to view price
1/8" x 1/2" x 0.016" Precision Series Extension Spring - 4 Pack Item #: 621060 Package Weight: 0.1 lbs View Product Details Log in to Order
0.075"	0.016"	2.4 lbs	4	621061	Log in to view price
1/8" x 3/4" x 0.016" Precision Series Extension Spring - 4 Pack Item #: 621061 Package Weight: 0.1 lbs View Product Details Log in to Order
0.5"	0.02"	17.27 lbs	4	621064	Log in to view price
1/8" x 1/2" x 0.020" Precision Series Extension Spring - 4 Pack Item #: 621064 Package Weight: 0.1 lbs View Product Details Log in to Order
0.75"	0.02"	8.27 lbs	4	621065	Log in to view price
1/8" x 3/4" x 0.020" Precision Series Extension Spring - 4 Pack Item #: 621065 Package Weight: 0.1 lbs View Product Details Log in to Order
0.75"	0.023"	18.27 lbs	4	621068	Log in to view price
1/8" x 3/4" x 0.023" Precision Series Extension Spring - 4 Pack Item #: 621068 Package Weight: 0.2 lbs View Product Details Log in to Order
1"	0.016"	1.5 lbs	4	621062	Log in to view price
1/8" x 1" x 0.016" Precision Series Extension Spring - 4 Pack Item #: 621062 Package Weight: 0.1 lbs View Product Details Log in to Order
1"	0.02"	5.44 lbs	4	621066	Log in to view price
1/8" x 1" x 0.020" Precision Series Extension Spring - 4 Pack Item #: 621066 Package Weight: 0.2 lbs View Product Details Log in to Order
1"	0.023"	11.99 lbs	4	621069	Log in to view price
1/8" x 1" x 0.023" Precision Series Extension Spring - 4 Pack Item #: 621069 Package Weight: 0.2 lbs View Product Details Log in to Order
1.25"	0.023"	8.92 lbs	4	621070	Log in to view price
1/8" x 1-1/4" x 0.023" Precision Series Extension Spring - 4 Pack Item #: 621070 Package Weight: 0.1 lbs View Product Details Log in to Order
1.5"	0.016"	0.94 lbs	4	621063	Log in to view price
1/8" x 1-1/2" x 0.016" Precision Series Extension Spring - 4 Pack Item #: 621063 Package Weight: 0.1 lbs View Product Details Log in to Order
1.5"	0.02"	3.2 lbs	4	621067	Log in to view price
1/8" x 1-1/2" x 0.020" Precision Series Extension Spring - 4 Pack Item #: 621067 Package Weight: 0.1 lbs View Product Details Log in to Order
1.5"	0.023"	7.1 lbs	4	621071	Log in to view price
1/8" x 1-1/2" x 0.023" Precision Series Extension Spring - 4 Pack Item #: 621071 Package Weight: 0.1 lbs View Product Details Log in to Order