... ELBOW, TEE, BOSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT FORGED HIGH PRESSURE PIPE FITTINGS THREADED2000 ... , HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC.SOCKET-WELD OR THREADED (NPT OR PT TYPE ... OR BLACK.(CARBON),PICKLED(STAINLESS).7.PACKING :CARTON/WOODEN CASE. plug