Part No. Male Thread Male Thread SSBEC 02 1/8" BSPT 1/8" BSPT SSBEC 04 1/4" BSPT 1/4" BSPT SSBEC 06 3/8" BSPT 3/8" BSPT SSBEC 08 1/2" BSPT 1/2" BSPT SSBEC 12 3/4" BSPT 3/4" BSPT SSBEC 16 1" BSPT 1" BSPT Material Stainless Steel 304, 316, 316L, A2, A4 Finish Natural, Electropolished Threads BSPT BSP NPT NPTF