Stock Drive Products & Sterling Instrument - SDP/SI Datasheets for Extension Springs

Helically wound to oppose resistant forces, extension springs have consistent mechanical energy to return to its no-load, compressed position. The ends of the spring are attached to components intended to move apart, with the extension spring providing a reliable return force.

Extension Springs: Learn more

Product Name	Notes
Extension Springs (inch) -- S78ESY-006008025	0.063" (OD), 0.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-006008038	0.063" (OD), 0.38" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-006008050	0.063" (OD), 0.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-009010038 Extension Springs (inch) -- S78ESY-009013038	0.094" (OD), 0.38" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-009012044 Extension Springs (inch) -- S78ESY-009013044	0.094" (OD), 0.44" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-009012050	0.094" (OD), 0.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-009010075	0.094" (OD), 0.75" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012020050	0.12" (OD), 0.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012016075 Extension Springs (inch) -- S78ESY-012020075 Extension Springs (inch) -- S78ESY-018022075	0.12" (OD), 0.75" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012018088 Extension Springs (inch) -- S78ESY-018022088	0.12" (OD), 0.88" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012018100	0.12" (OD), 1" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012016125 Extension Springs (inch) -- S78ESY-012020125 Extension Springs (inch) -- S78ESY-018022125	0.12" (OD), 1.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-012016137	0.12" (OD), 1.37" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-018031062 Extension Springs (inch) -- S78ESY-018034062	0.18" (OD), 0.62" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-018026075 Extension Springs (inch) -- S78ESY-018031075	0.18" (OD), 0.75" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-018026125 Extension Springs (inch) -- S78ESY-018031125	0.18" (OD), 1.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-024026075 Extension Springs (inch) -- S78ESY-024029075 Extension Springs (inch) -- S78ESY-024031075 Extension Springs (inch) -- S78ESY-024034075	0.24" (OD), 0.75" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-024026100	0.24" (OD), 1" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-024026112	0.24" (OD), 1.12" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-024026125 Extension Springs (inch) -- S78ESY-024029125 Extension Springs (inch) -- S78ESY-024031125 Extension Springs (inch) -- S78ESY-024034125	0.24" (OD), 1.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-024031150	0.24" (OD), 1.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-036031100 Extension Springs (inch) -- S78ESY-036037100	0.36" (OD), 1" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-036045125 Extension Springs (inch) -- S78ESY-036055125	0.36" (OD), 1.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-036031150 Extension Springs (inch) -- S78ESY-036037150	0.36" (OD), 1.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-036045200 Extension Springs (inch) -- S78ESY-036055200	0.36" (OD), 2" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-050037125	0.5" (OD), 1.25" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-050037200	0.5" (OD), 2" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-050055250	0.5" (OD), 2.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-065055300	0.65" (OD), 3" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-075063400	0.75" (OD), 4" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-085075250	0.85" (OD), 2.5" Free Length, Helical Extension Spring
Extension Springs (inch) -- S78ESY-100075500	1" (OD), 5" Free Length, Helical Extension Spring
Extension Springs (metric) -- S78ESYM125120030 Extension Springs (metric) -- S78ESYM125160030	12.5mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125160035	12.5mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125120040 Extension Springs (metric) -- S78ESYM125160040	12.5mm Outside diameter, 40mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125160045	12.5mm Outside diameter, 45mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125120050 Extension Springs (metric) -- S78ESYM125160050	12.5mm Outside diameter, 50mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125160055	12.5mm Outside diameter, 55mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM125120060	12.5mm Outside diameter, 60mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160100	19mm Outside diameter, 100mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160130	19mm Outside diameter, 130mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160050	19mm Outside diameter, 50mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160060	19mm Outside diameter, 60mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160070	19mm Outside diameter, 70mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160080	19mm Outside diameter, 80mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM190160090	19mm Outside diameter, 90mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM025025012	2.5mm Outside diameter, 12.5mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM025025015	2.5mm Outside diameter, 15.5mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM025025009	2.5mm Outside diameter, 9.5mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM030035017	3mm Outside diameter, 17mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM030035021	3mm Outside diameter, 21mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM030035025	3mm Outside diameter, 25mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM030035030	3mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM030035035	3mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM045045017 Extension Springs (metric) -- S78ESYM045060017	4.5mm Outside diameter, 17mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM045045021 Extension Springs (metric) -- S78ESYM045060021	4.5mm Outside diameter, 21mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM045045025 Extension Springs (metric) -- S78ESYM045060025	4.5mm Outside diameter, 25mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM045045030 Extension Springs (metric) -- S78ESYM045060030	4.5mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM045045035 Extension Springs (metric) -- S78ESYM045060035	4.5mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM063055019 Extension Springs (metric) -- S78ESYM063075019 Extension Springs (metric) -- S78ESYM063080019	6.3mm Outside diameter, 19mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM063055022 Extension Springs (metric) -- S78ESYM063075022 Extension Springs (metric) -- S78ESYM063080022	6.3mm Outside diameter, 22mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM063055025 Extension Springs (metric) -- S78ESYM063075025 Extension Springs (metric) -- S78ESYM063080025	6.3mm Outside diameter, 25mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM063055030 Extension Springs (metric) -- S78ESYM063075030 Extension Springs (metric) -- S78ESYM063080030	6.3mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM063055035 Extension Springs (metric) -- S78ESYM063075035 Extension Springs (metric) -- S78ESYM063080035	6.3mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM080075025	8mm Outside diameter, 25mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM080075030	8mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM080075035	8mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM080075040	8mm Outside diameter, 40mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM095095025 Extension Springs (metric) -- S78ESYM095120025 Extension Springs (metric) -- S78ESYM095150025	9.5mm Outside diameter, 25mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM095095030 Extension Springs (metric) -- S78ESYM095120030 Extension Springs (metric) -- S78ESYM095150030	9.5mm Outside diameter, 30mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM095095035 Extension Springs (metric) -- S78ESYM095120035 Extension Springs (metric) -- S78ESYM095150035	9.5mm Outside diameter, 35mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM095095040 Extension Springs (metric) -- S78ESYM095120040 Extension Springs (metric) -- S78ESYM095150040	9.5mm Outside diameter, 40mm Free Length Helical Extension Spring
Extension Springs (metric) -- S78ESYM095150045	9.5mm Outside diameter, 45mm Free Length Helical Extension Spring

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