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Mechanical Extension Springs are coiled products, in a variety of materials and forms. Extension springs are attached to two components from both ends of the spring, and when the components pull apart, the spring tries to pull the components together again. Extension Springs are wound to oppose extension.

Dependant on the application's load requirements, the springs initial tension can be manipulated. They are often tightly wound in the no-load position and have hooks, eyes, or spring anchors at the ends to attach to the components. Each spring is designed within proper stress levels and manufacturing limits.

Extension Spring - Stainless Steel
Extension Spring - Stainless Steel
Unit of Measure
Items Extension Spring - Stainless Steel
M063007031SS
Extension Spring - Stainless Steel
Extension Spring - Stainless Steel
M063007038SS
Extension Spring - Stainless Steel
Extension Spring - Stainless Steel
M063007044SS
Extension Spring - Stainless Steel
Extension Spring - Stainless Steel
M063007050SS
Extension Spring - Stainless Steel
Extension Spring - Stainless Steel
M063008025SS
Extension Spring - Stainless Steel
Weight N/A 0.000040 pounds N/A 0.000049 pounds N/A 0.000056 pounds N/A 0.000064 pounds N/A 0.000036 pounds
Material N/A 302 Stainless Steel per ASTM-A313 or AMS-5688
Height N/A 0.31 inches N/A 0.38 inches N/A 0.44 inches N/A 0.50 inches N/A 0.25 inches
Depth N/A 0.063 inches
Width N/A 0.063 inches
Outside Dia (In.) N/A 0.063 inches
Wire Dia (In.) N/A 0.007 inches N/A 0.007 inches N/A 0.007 inches N/A 0.007 inches N/A 0.008 inches
Free Length (In.) N/A 0.31 inches N/A 0.38 inches N/A 0.44 inches N/A 0.50 inches N/A 0.25 inches
Spring Rate (lbs./In.) N/A 0.6 lbs/in N/A 0.4 lbs/in N/A 0.3 lbs/in N/A 0.3 lbs/in N/A 1.7 lbs/in
ASR Part Number N/A E00630070310S N/A E00630070380S N/A E00630070440S N/A E00630070500S N/A E00630080250S
Initial Tension (lbs) N/A 0.02 pounds N/A 0.02 pounds N/A 0.02 pounds N/A 0.02 pounds N/A 0.03 pounds
Ends N/A Full Twist Loop