177-B

177-B

Regular extension spring in Music Wire. This spring features an O.D. of 0.312 Inch, an initial tension of 0.2 Pound, and a spring rate of 0.4 Pound Force per Inch.

Current variant: 177-BCS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 177-B
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 0.4 lbf/in
Sugg Max Deflection 5.7 in
Sugg Max Load 2.5 lbf
Wind Direction Left
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 177-B
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.07 N/mm
Sugg Max Deflection 144.78 mm
Sugg Max Load 11.12 N
Wind Direction Left
Wire Diameter 0.64 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $2.47
50 - 149 $2.35
150 - 299 $2.23
300 - 499 $2.10
500 - 749 $1.86
750 - 999 $1.61
1000+ Call for price