646

646

Regular extension spring in Music Wire. This spring features an O.D. of 0.312 Inch, an initial tension of 0.41 Pound, and a spring rate of 0.23 Pound Force per Inch.

Current variant: 646CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 646
Ends Machine Hook
Finish Zinc
Initial Tension 0.41 lb
Length 6 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 0.23 lbf/in
Sugg Max Deflection 15 in
Sugg Max Load 3.9 lbf
Wind Direction Left
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 646
Ends Machine Hook
Finish Zinc
Initial Tension 0.19 kg
Length 152.4 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.04 N/mm
Sugg Max Deflection 381 mm
Sugg Max Load 17.35 N
Wind Direction Left
Wire Diameter 0.74 mm

Inventory Status

In-stock

Need more information? Contact us for further questions.

Quantity Price
1 - 49 $4.45
50 - 149 $4.23
150 - 299 $4.01
300 - 499 $3.79
500 - 749 $3.34
750 - 999 $2.90
1000+ Call for price