81138S

81138S

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 1.5 Inch, an initial tension of 4 Pound, and a spring rate of 8.2 Pound Force per Inch.

Current variant: 81138SCS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 81138S
Ends Full Loop
Finish None
Initial Tension 4 lb
Length 4.5 in
Material 302/304 Stainless Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 8.2 lbf/in
Sugg Max Deflection 3.7 in
Sugg Max Load 34 lbf
Wind Direction Left
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 81138S
Ends Full Loop
Finish None
Initial Tension 1.81 kg
Length 114.3 mm
Material 302/304 Stainless Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 1.44 N/mm
Sugg Max Deflection 93.98 mm
Sugg Max Load 151.23 N
Wind Direction Left
Wire Diameter 3.18 mm

Inventory Status

In-stock

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Quantity Price
1 - 14 $37.93
15 - 29 $32.25
30 - 49 $28.45
50 - 99 $11.38
100 - 249 $6.45
250 - 499 $4.18
500 - 999 $2.66
1000+ Call for price