Used on strucassy,fcs; truck,fl (m4k). flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.720" grip length solid dry lunricant; complete top surface of head of nut shall be powder blasted to produce a surface of RA50/80 micro-inches after all manufacturing operations passivate nut surface treated
2a thread class right-hand 0.750" thread length hexagon head style 16 thread quantity per inch the width between flats dimension is 0.563 inch zinc surface treated unc thread series
3a thread class right-hand 0.490" thread length headless (setscrew) head style 40 thread quantity per inch (navy) sectscrew, self-locking passivate surface treated unjc thread series
Used on f18 e/f. 3a thread class right-hand 0.438" thread length headless (setscrew) head style 32 thread quantity per inch setscrew-self-locking cadmium surface treated unjc thread series
Used on f18 e/f. 3a thread class right-hand 0.469" thread length dished hexagon head style 0.070" hole diameter 0.802" grip length 24 thread quantity per inch bolt, hex head, close tolerance, A286cres, long threads, self-locking cadmium surface treated unjf thread series
Used on f18 e/f. 3a thread class right-hand 0.469" thread length dished hexagon head style 0.070" hole diameter 0.418" grip length 24 thread quantity per inch bolt, hex head, close tolerance, A286 cres, long threads, self-locking cadmium surface treated unjf thread series
Used on f-18 e/f. flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.429" grip length fastener-blind, internally threaded, external sleeve, titanium, reduced flush head, self-locking
Used on C-17. 3a thread class right-hand 0.400" thread length dished hexagon head style 1.802" grip length 28 thread quantity per inch unjf thread series
Used on aircraft, eagle f-15. 3a thread class right-hand flush countersunk head style 0.0791" hole diameter 0.750" grip length passivate surface treated unjf thread series
Used on c141 aircraft. 3a thread class right-hand 0.400" thread length double hexagon head style 1.678" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
Used on C-17A. 3a thread class right-hand 0.745" grip length 28 thread quantity per inch pin-rivet, threaded aluminum surface treated unjf thread series