3a thread class right-hand 0.438" thread length flat chamfer head style 20 thread quantity per inch screw, shoulder, hex socket, cylinder head zinc surface treated unc thread series
Used on 2350-01-565-3460 armored reconnaissance-airborne assault vehicle,m2a2. 2a thread class 0.182" thread length fillister head style socket head shoulder screw thread:coarse
3a thread class right-hand 0.375" thread length err default err default 24 thread quantity per inch type 18-8 stainless steel shoulder screw unc thread series
Used on 2355-01-539-3589;light armored vehicle. 3a thread class right-hand 0.875" thread length fillister head style 11 thread quantity per inch screw, shoulder finisn: plain; ansi B18.3; asme B18.3
Used on 5410-01-559-8738 cover, cargo bed, vehicular. 3a thread class right-hand 0.438" thread length flat fillister head style 20 thread quantity per inch shoulder screw unc thread series
Used on 3805-01-573-0677 excavator, multipurpose, crawler mounted. right-hand 13.0mm thread length flat fillister head style shoulder screw m thread series
Used on 6115-01-561-7455 generator set, diesel engine. right-hand hexagon head style screw, shoulder, hexagon socket head passivate surface treated m thread series