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  1. HCAIII

    Fitting Thread Designation Definitions

    I'm trying to find info on types of fitting threads and what they all mean. NPT, NPST, M, ISO, JIS, SAE "G" = BSPP or BSP?, "R"?...AAAAAAGH. I'd love a good reference of what all the types are and what types will fit together. Anyone know of such a thing?

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