Used on fighter aircraft (f18e/f). 3a thread class right-hand 0.397" thread length spline drive shear head head style 0.813" grip length 28 thread quantity per inch (navy) bolt, close, tolerance unjf thread series
Used on fighter aircraft (f18e/f). right-hand 0.316" thread length pan no. 2 head style 28 thread quantity per inch (navy) bolt, special passivate surface treated unj thread series
Used on fighter aircraft (f18e/f). right-hand 0.426" thread length pan no. 2 head style 28 thread quantity per inch (navy) bolt, special passivate surface treated unj thread series
Used on adapter, test, atc; operational tps; adapter assembly, in pccn: p0hr40; support equip for f/a-18 afct; spec gse allow. (navy) screw, thumb, knurled
Used on mbt vent valve assy,ssn seawolf class sub. 3a thread class right-hand 0.500" thread length headless (setscrew) head style 20 thread quantity per inch item conforms to fed spec ff-s-200, ty i, sty 1 unc thread series
3a thread class right-hand 0.906" thread length flush head style 1.562" grip length 24 thread quantity per inch navy special project unjf thread series
3a nut thread a thread class right-hand nut thread 0.680" stud thread thread length 2.622" overall length 20 nut thread thread quantity per inch navy special project .106 drilled hole .172 from nut end, locked in unjf nut thread thread series
Used on f/a-18 e/f airceaft. 3a thread class right-hand 0.410" thread length fillister countersunk head style 0.558" grip length 28 thread quantity per inch bolt, 100 deg reduced head, gear drive recess, inconel 718 (125 ksi shear) , 0.0156 inch oversize type of internal drive is six lobe recess per nas 1800; there is a cotter pin hole 0.076 inch dia at the end of the fastener 0.106 inch from tip; there is no lubrication on fastener; material is inconel 718 w/125 ksi shear passivate surface treated unjf thread series
