S-621

S-621

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.375 Inch, an initial tension of 3 Pound, and a spring rate of 7 Pound Force per Inch.

Current variant: S-621CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-621
Ends Machine Hook
Finish None
Initial Tension 3 lb
Length 3.22 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 7 lbf/in
Sugg Max Deflection 1.6 in
Sugg Max Load 15 lbf
Wind Direction Left
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-621
Ends Machine Hook
Finish None
Initial Tension 1.36 kg
Length 81.79 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 1.23 N/mm
Sugg Max Deflection 40.64 mm
Sugg Max Load 66.72 N
Wind Direction Left
Wire Diameter 1.4 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $7.16
50 - 149 $6.81
150 - 299 $6.45
300 - 499 $6.09
500 - 749 $5.37
750 - 999 $4.66
1000+ Call for price