... , STREET ELBOW, TEE, BOSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SOCKET-WELD OR THREADED FORGED HIGH PRESSURE PIPE FITTINGS THREADED2000 ... COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC.SOCKET-WELD OR THREADED (NPT ... MARKED BY STAMPING.STAINLESS: MATERIAL,HEAT NO. B16(BELONG TO ANSI B16. 11 PRODUCT),PRESSURE AND SIZE.6. FINISH: ...