Extension Springs

In production

Extension springs are helical coil springs designed to absorb energy while resisting pulling forces. The further they are stretched, the more force is generate, making them ideal for bringing two components together.

Common applications include Throttle Turn Mechanisms in Automotive, Trampolines, Fitness Equipment and Vibration Dampening Systems.

It is available in both Music Wire material, which is ideal for temperatures between -30 C and +120 C and for use in dry environments, and stainless Steel material, which is ideal for temperatures between -200 C and +250 C and for use in both dry and humid or wet environments. Key Factors to consider when choosing a spring for an application include Spring Material and the Working Environment, Spring Dimensions in both extended and non-extended states. Material: Stainless Steel, Carbon Steel Series Code:

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Product SKUs information
Essentra Part Number	Price range	Availability	Initial Tension	Overall Length	Material	Load at Load Length
	R 81,3092 - R 98,3841	Request the lead time here	10.28 N 10.28 N	4 in 101.6 mm	Stainless Steel	114.19 N 114.19 N

	R 79,0902 - R 95,6991	Request the lead time here	23.22 N 23.22 N	2.252 in 57.2 mm	Stainless Steel	258.22 N 258.22 N

	R 77,2402 - R 93,4606	Request the lead time here	23.22 N 23.22 N	3.5 in 88.9 mm	Stainless Steel	258.22 N 258.22 N

	R 118,0081 - R 142,7898	Request the lead time here	23.22 N 23.22 N	5.5 in 139.7 mm	Stainless Steel	258.22 N 258.22 N

	R 46,738 - R 56,553	Request the lead time here	6.30 N 6.30 N	2.252 in 57.2 mm	Stainless Steel	69.66 N 69.66 N

10234624	R 49,2188 - R 59,5547	Request the lead time here	6.30 N 6.30 N	3.5 in 88.9 mm	Stainless Steel	69.66 N 69.66 N

	R 71,1599 - R 86,1034	Request the lead time here	10.26 N 10.26 N	2 in 50.8 mm	Stainless Steel	114.20 N 114.20 N

	R 77,585 - R 93,8779	Request the lead time here	10.28 N 10.28 N	3 in 76.2 mm	Stainless Steel	114.19 N 114.19 N

	R 80,5274 - R 97,4381	Request the lead time here	10.26 N 10.26 N	5 in 127.0 mm	Stainless Steel	114.20 N 114.20 N

	R 71,1599 - R 86,1034	Request the lead time here	10.26 N 10.26 N	2.252 in 57.2 mm	Stainless Steel	114.20 N 114.20 N

	R 77,585 - R 93,8779	Request the lead time here	10.28 N 10.28 N	3.5 in 88.9 mm	Stainless Steel	114.19 N 114.19 N

	R 77,506 - R 84,2902	Request the lead time here	23.22 N 23.22 N	2 in 50.8 mm	Stainless Steel	258.22 N 258.22 N

	R 77,9901 - R 94,368	Request the lead time here	23.22 N 23.22 N	3 in 76.2 mm	Stainless Steel	258.22 N 258.22 N

	R 85,553 - R 103,5191	Request the lead time here	23.22 N 23.22 N	5 in 127.0 mm	Stainless Steel	258.22 N 258.22 N

	R 36,5649 - R 44,2435	Request the lead time here	7.56 N 7.56 N	5 in 127.0 mm	Carbon Steel	83.63 N 83.63 N

	R 53,1029 - R 64,2545	Request the lead time here	12.32 N 12.32 N	2.752 in 69.9 mm	Carbon Steel	137.09 N 137.09 N

	R 55,8559 - R 67,5856	Request the lead time here	12.32 N 12.32 N	4.5 in 114.3 mm	Carbon Steel	137.09 N 137.09 N

	R 50,0223 - R 60,527	Request the lead time here	27.89 N 27.89 N	2.5 in 63.5 mm	Carbon Steel	309.98 N 309.98 N

	R 58,0799 - R 70,2767	Request the lead time here	27.89 N 27.89 N	4 in 101.6 mm	Carbon Steel	309.98 N 309.98 N

	R 67,5231 - R 81,703	Request the lead time here	27.89 N 27.89 N	6 in 152.4 mm	Carbon Steel	309.98 N 309.98 N