... , CROSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC ... , 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 1/8"-4"( ... ),PICKLED(STAINLESS).7.PACKING :CARTON/WOODEN CASE. union