... TEE, BOSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT FORGED HIGH PRESSURE PIPE FITTINGS THREADED2000 ... TEE, BOSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC.SOCKET-WELD ... OR THREADED (NPT OR PT TYPE.)2. SIZE :NPS ...