Need replacement jamb lines including spring assembly

A contractor from St Paul MN says:
Will need multiple sets of these jamb liners. Overall width is 4", length is approx 49" on long side, thickness is 1/2" except portion of liner that sash slides on, that is about 5/8". The liner is held in place by a metal bracket that seems to hold either side of liner by friction fit. Can send more pictures if that would help.
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Paul from SWISCO responded:

I want to start out by mentioning that we do not carry any replacement jamb liners themselves. If you should need to replace them at a local mill work. However, we still can assist you with the hardware. For your balances, you should be able to use our S751-25 with a 24TG option. For the pivot bar, our 26-150 pivot bar pair are worth considering. Look over each part mentioned and see if these will make good alternatives for you.

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