2a thread class right-hand 0.370" thread length hexagon countersunk head style 24 thread quantity per inch furnished with steel collar, 0.725 in. long unf thread series
Used on m1a1 tank. 2a thread class right-hand 0.303" thread length flat chamfer head style 13 thread quantity per inch passivate fastener surface treated unc thread series
Used on an/alq-172(v) 1/2 common. 2a thread class right-hand 0.125" thread length pan head style 32 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.130" thread length 56 thread quantity per inch u-shaped head 0.125 in. dia. 0.321 in. head height passivate surface treated unc thread series
2a thread class right-hand 0.300" thread length flat chamfer head style 32 thread quantity per inch navy special project head knurled passivate surface treated unc thread series
2a thread class right-hand 0.100" thread length pan no. 2 head style 40 thread quantity per inch blacken to 0722-606 cadmium surface treated unc thread series
2a thread class right-hand 0.120" thread length pan no. 2 head style 40 thread quantity per inch blacken to 0722-606 cadmium surface treated unc thread series