Used on agm129a. 3a thread class right-hand 0.403" thread length flat countersunk head style 0.365" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand hexagon head style 32 thread quantity per inch apply zinc chromate per p.s. 13301 to machined surface, (altered item made from NAS1297-06-5) cadmium surface treated unjc thread series
Used on mc-130e. 3a thread class right-hand 0.782" thread length hexagon head style 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.266" thread length pan head style 28 thread quantity per inch anodize stand-offpassivate fastener surface treated unf thread series