Availability MTEC-ISO – ISO Metric MTEC-UN – UN Unified thread MTEC-NPT – NPT National Pipe Taper MTEC-NPTF – NPTF National Pipe Taper Fuel MTEC-BSPT – BSPT British Standard Pipe Taper MTEC-W- W(G) 55° BSF – British Standard Fine BSP - British Standard Pipe
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