Specifications
- 1 1/4″ OD
- 10″ length
- 0.148″ wire size
- Music Wire (ASTM A228)
- Hard Drawn Wire (ASTM A227)
- Zinc plated
- Century Spring Part Number C-339
This extension spring is close wound helicals with ends formed to use in applications requiring resistance to a pulling force. It is manufactured from Music Wire (ASTM A228) and Hard Drawn wire (ASTM A227) and is zinc plated.





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