Patent ID: 8733404

Claim:
An assembly comprising a threaded plug, a male sub portion of a hammer union, and a nut portion of a hammer union, said assembly comprising a threaded plug for use in connection with a hammer union, said plug comprising: a plug body being cylindrical in configuration, said plug body having circumferential screw threads about at least a portion of the longitudinal extent of said body, a hand grip suitable for installing said threaded plug accessible at an upper end of said plug body, and said upper end having extending outwardly from the periphery thereof a circumferential downwardly obliquely oriented displaceable flange member, a male sub portion of a hammer union assembly cooperatively engages with a nut having an exposed thread portion, said plug body being threaded onto said thread portion of said nut in a manner sufficient to maintain said nut in engagement with said male sub and to force said flexible flange against an end of said threaded nut.