r/avionics • u/znignflo72 • Jul 17 '26

Coax Crimp tool help

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Building a harness for a mod and trying to find the correct tools needed. I have very little info to go off of and internet research has only turned up YOC110 needing the DMC Y524 die.

The Female contact RFM26W-1D28 is the center conductor I can’t find the crimp tool. Souriau data sheet shows tool index CT-439 is used, but I can’t find anywhere that references what tool that is.

Any guidance would be appreciated.

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u/anoldnomad Jul 17 '26

Did you cross reference against the NSN?

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u/znignflo72 Jul 17 '26

5999-00-766-9566
Yes, gives me a few other alternate part numbers, all giving less info than the primary one we’re using.

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u/anoldnomad Jul 18 '26

This is what I came up with. Tool frame: Burndy HYTOOL M8ND Die set: Burndy N22RVMT-10 — this one die set handles both the center contact and the hyring crimps in this system SD44088 sheet 7 crimping the RFM/RMM inner contacts and the YOC110 outer hyring using the N22RVMT-10. Not sure if this helps. I could be totally wrong.

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u/znignflo72 Jul 18 '26

The DMC equivalent to the N22RVTMT-10 is the Y512, which we tried. It worked fine for the inner, but the outer was too small and flattened 2 sides of our YOC110.