2a all threaded stud thread class 0.390" single pressure connection thread length 2.280" overall length 0.125" single connection outside diameter 27 single pressure connection thread quantity per inch cylindrical npt single pressure connection thread series
Used on tsec/ky-57 06845. 2a single mounting facility thread class 0.250" single mounting facility thread length 1.454" overall length weapon system essential snap or line unf single mounting facility thread series