Used on agm129a. 3a thread class left-hand 1.255" thread length 18 thread quantity per inch internal thd full lgth 0.375-24 unjf-3b flange unjf thread series
Used on mount,machine gun,mk93,mod 1. 2b thread class right-hand 0.640" thread length 13 thread quantity per inch externally threaded:0.360 in; thread size:0.875 in; thread quantity per inch:14; thread series designator:nf; thread class:2a oxide surface treated plain unc thread series
2b thread class right-hand 0.196" thread length 56 thread quantity per inch 2 flatted surfaces on flange 0.203 in. af passivate surface treated flange unc thread series