3a thread class right-hand 0.160" thread length knurled no. 1 head style 32 thread quantity per inch navy special project chromate zinc sides of head surface treated unc thread series
2a thread class right-hand 0.215" thread length pan head style 32 thread quantity per inch end with 45 degree chamfer to a point 0.070 in. dia oxide surface treated unf thread series
Used on an/alq-119. 2a thread class right-hand 0.130" thread length flat chamfer head style 32 thread quantity per inch passivate surface treated unc thread series