M-4

M-4

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.25 Inch, an initial tension of 5 Pound, and a spring rate of 56 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name M-4
Ends Machine Hook
Finish None
Initial Tension 5 lb
Length 0.97 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 56 lbf/in
Sugg Max Deflection 0.21 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name M-4
Ends Machine Hook
Finish None
Initial Tension 2.27 kg
Length 24.64 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 9.8 N/mm
Sugg Max Deflection 5.33 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.22 mm

Inventory Status

In-stock

Need more information? Contact us for further questions.

Quantity Price
1 - 49 $4.89
50 - 149 $4.65
150 - 299 $4.41
300 - 499 $4.16
500 - 749 $3.67
750 - 999 $3.18
1000+ Call for price