I have a spec that call for the following material:

     .062 flame retardent glass epoxy board, copper-clad on one or two
sides as required. Mil-P-13949, type 6FN (or BMS 8-120, Type 1, class 4,
Grade A)

    I cannot find info on the "6FN" material. The closest I could find
was "GFN". Is there such a material as 6FN. And also what is the "BMS"
spec?

    Thanks,

--
Michael Zagami
Electrical Engineer
Fairchild Controls Corp.
301-228-3469 (voice)
301-682-6885 (fax)

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