Number 23-3. J. Stamped onto part.
Metal portion without plastic ends 24" long.
Need 4 total.
Window sash spring
Quick Learner from Bokeelia, Florida
Feb 24, 2026 4:00 pm
5 user uploaded images
2 Replies
Casey from SWISCO
Feb 27, 2026 4:16 pm
Hello,
Your balance resembles the S377-24 with 2330 strength options. Review the specifications on our product page to confirm. Thanks for posting!
How to measure the length of the Series 377 channel balance.
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