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S-638CS - 12.8 Inch 302/304 Stainless Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 1.406 Inch and an initial tension of 69 Pound.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-638
Ends Extended Hook
Finish None
Initial Tension 69 lb
Length 12.8 in
Material 302/304 Stainless Steel
Outside Diameter 1.406 in
Part Type Standard
Rate 46 lbs/in
SKU S-638CS
Sugg Max Deflection 2.9 in
Sugg Max Load 202 lbf
Wind Direction Left
Wire Diameter 0.225 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-638
Ends Extended Hook
Finish None
Initial Tension 31.29 kg
Length 325.12 mm
Material 302/304 Stainless Steel
Outside Diameter 35.71 mm
Part Type Standard
Rate 8.05 N/mm
SKU S-638CS
Sugg Max Deflection 73.66 mm
Sugg Max Load 898.5 N
Wind Direction Left
Wire Diameter 5.72 mm