Used on mrap-rg-33 armored utility vehicle (auv). 2a thread class right-hand 2.120" thread length 7.220" overall length 20 thread quantity per inch round, closed unf thread series
2a thread class right-hand 1.375" thread length 3.297" overall length 18 thread quantity per inch dog point with groove passivate surface treated round, closed unc thread series