S-644

S-644

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.375 Inch, an initial tension of 11 Pound, and a spring rate of 115 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-644
Ends Extended Hook
Finish None
Initial Tension 11 lb
Length 1.5 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 115 lbf/in
Sugg Max Deflection 0.2 in
Sugg Max Load 34 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-644
Ends Extended Hook
Finish None
Initial Tension 4.99 kg
Length 38.1 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 20.13 N/mm
Sugg Max Deflection 5.08 mm
Sugg Max Load 151.23 N
Wind Direction Left
Wire Diameter 1.83 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $7.78
50 - 149 $7.40
150 - 299 $7.01
300 - 499 $6.62
500 - 749 $5.84
750 - 999 $5.06
1000+ Call for price