Extension Springs

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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
	£ 3.3876 - £ 3.6711	Request the lead time here	27.89 N 27.89 N	5.5 in 139.7 mm	Carbon Steel	309.98 N 309.98 N

	£ 1.715 - £ 1.8568	Request the lead time here	0.71 N 0.71 N	1.37 in 34.8 mm	Stainless Steel	7.67 N 7.67 N

	£ 1.715 - £ 1.8568	Request the lead time here	1.85 N 1.85 N	0.752 in 19.1 mm	Stainless Steel	19.64 N 19.64 N

	£ 1.5024 - £ 1.6442	Request the lead time here	6.23 N 6.23 N	2.252 in 57.2 mm	Carbon Steel	70.28 N 70.28 N

	£ 1.5166 - £ 1.6584	Request the lead time here	1.78 N 1.78 N	2 in 50.8 mm	Carbon Steel	19.57 N 19.57 N

	£ 1.4316 - £ 1.5591	Request the lead time here	0.85 N 0.85 N	1.252 in 31.8 mm	Carbon Steel	9.21 N 9.21 N

	£ 2.4946 - £ 2.7214	Request the lead time here	27.89 N 27.89 N	2.252 in 57.2 mm	Carbon Steel	309.98 N 309.98 N

	£ 1.9844 - £ 2.1545	Request the lead time here	3.04 N 3.04 N	1.5 in 38.1 mm	Stainless Steel	33.57 N 33.57 N

	£ 3.8695 - £ 4.2097	Request the lead time here	10.28 N 10.28 N	3 in 76.2 mm	Stainless Steel	114.19 N 114.19 N

	£ 3.8979 - £ 4.2381	Request the lead time here	23.22 N 23.22 N	2.752 in 69.9 mm	Stainless Steel	258.22 N 258.22 N

	£ 1.715 - £ 1.8568	Request the lead time here	1.85 N 1.85 N	1.37 in 34.8 mm	Stainless Steel	19.64 N 19.64 N

	£ 2.0552 - £ 2.2395	Request the lead time here	1.85 N 1.85 N	3.5 in 88.9 mm	Stainless Steel	19.64 N 19.64 N

	£ 1.715 - £ 1.8568	Request the lead time here	1.85 N 1.85 N	2 in 50.8 mm	Stainless Steel	19.64 N 19.64 N

	£ 2.0552 - £ 2.2395	Request the lead time here	1.85 N 1.85 N	5 in 127.0 mm	Stainless Steel	19.64 N 19.64 N

	£ 1.9844 - £ 2.1545	Request the lead time here	3.04 N 3.04 N	2.252 in 57.2 mm	Stainless Steel	33.57 N 33.57 N

	£ 1.9844 - £ 2.1545	Request the lead time here	5.19 N 5.19 N	1.5 in 38.1 mm	Stainless Steel	58.54 N 58.54 N

	£ 1.9844 - £ 2.1545	Request the lead time here	1.48 N 1.48 N	1.37 in 34.8 mm	Stainless Steel	16.30 N 16.30 N

10418192	£ 1.715 - £ 1.8568	Request the lead time here	0.71 N 0.71 N	0.882 in 22.4 mm	Stainless Steel	7.67 N 7.67 N

	£ 1.715 - £ 1.8568	Request the lead time here	0.71 N 0.71 N	2.252 in 57.2 mm	Stainless Steel	7.67 N 7.67 N

	£ 1.715 - £ 1.8568	Request the lead time here	1.85 N 1.85 N	1.252 in 31.8 mm	Stainless Steel	19.64 N 19.64 N