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MM-66CS - 0.94" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 23.5 coils and closed & ground ends. This spring features an O.D. of 0.125", and an I.D. of 0.065".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name MM-66
Ends Closed & Ground
Finish None
Free Length 0.94 in
Inside Diameter 0.065 in
Material 302/304 Stainless Steel
Outside Diameter 0.125 in
Part Type Standard
Rate 55 lbs/in
SKU MM-66CS
Solid Length 0.71 in
Suggested Max Deflection 0.13 in
Suggested Max Load 7.2 lbf
Total Coils 23.5
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name MM-66
Ends Closed & Ground
Finish None
Free Length 23.88 mm
Inside Diameter 1.65 mm
Material 302/304 Stainless Steel
Outside Diameter 3.18 mm
Part Type Standard
Rate 9.63 N/mm
SKU MM-66CS
Solid Length 18.03 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 32.03 N
Total Coils 23.5
Wire Diameter 0.76 mm
The MM-66CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.03" diameter 302/304 stainless steel, the MM-66 spring design exhibits reliable strength across its 23.5 active coils, withstanding repeated compression cycles with a maximum load of 7.2 lbf without succumbing to fatigue.

We manufacture the MM-66 design to provide a compression spring that is 0.94" long at rest and provides a consistent rate of 55 lbs/in along its recommended maximum of 0.13" deflection. For best results, your application should fully accommodate the inner (0.065") and outer (0.125") diameters of this spring and be designed for its closed & ground end configuration.