Need help identifying block and tackle part to order

Quick Learner from Lake Oswego, Oregon
Hello,
I need help in identifying the right parts to order on my windows. The stamped number is 2540. 26" long.
Thanks
Jean
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2 Replies
Bob
Bob from SWISCO
SWISCO
Expert

Hey Jean. I'm sure we can help replace this channel balance, but that stamp only tells us its strength. Can you show me the nylon fitting on the other end of the channel as well? Seeing both is key to identification. Many thanks. 

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