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