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NN-93CS - 0.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 9 coils and closed ends. This spring features an O.D. of 0.203", and an I.D. of 0.155".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-93
Ends Closed
Finish None
Free Length 0.5 in
Inside Diameter 0.155 in
Material Music Wire
Outside Diameter 0.203 in
Part Type Standard
Rate 12 lbs/in
SKU NN-93CS
Solid Length 0.24 in
Suggested Max Deflection 0.26 in
Suggested Max Load 3.1 lbf
Total Coils 9
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-93
Ends Closed
Finish None
Free Length 12.7 mm
Inside Diameter 3.94 mm
Material Music Wire
Outside Diameter 5.16 mm
Part Type Standard
Rate 2.1 N/mm
SKU NN-93CS
Solid Length 6.1 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 13.79 N
Total Coils 9
Wire Diameter 0.61 mm
The NN-93CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.024" diameter music wire, the NN-93 spring design exhibits reliable strength across its 9 active coils, withstanding repeated compression cycles with a maximum load of 3.1 lbf without succumbing to fatigue.

We manufacture the NN-93 design to provide a compression spring that is 0.5" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 0.26" deflection. For best results, your application should fully accommodate the inner (0.155") and outer (0.203") diameters of this spring and be designed for its closed end configuration.