2a thread class right-hand flat chamfer head style 16 thread quantity per inch thru hole located on the side of the head 0.090 in. dia, 0.120 in. from the top of hd. unc thread series
Used on aircraft, eagle f-15. 3a thread class right-hand 0.563" thread length double hexagon w/hole head style 0.060" hole diameter 32 thread quantity per inch unjf thread series
3a thread class right-hand flush countersunk head style 0.807" grip length 9300 double pounds per square inch shear strength furnished with stainless steel threaded (break off) type collar. cadmium body surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.183" grip length first dash number indicates dia. in 1/32nds which HLT425 oversize pin replaces. cadmium surface treated unjf thread series
3a thread class left-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.626" grip length passivate surface treated uns thread series