S-638

S-638

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 1.406 Inch, an initial tension of 69 Pound, and a spring rate of 46 Pound Force per Inch.

Diagram of extension spring with measurements
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 lbf/in
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
Sugg Max Deflection 73.66 mm
Sugg Max Load 898.5 N
Wind Direction Left
Wire Diameter 5.72 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $70.75
50 - 149 $67.22
150 - 299 $63.68
300 - 499 $60.14
500 - 749 $53.07
750 - 999 $45.99
1000+ Call for price