3a thread class right-hand 0.506" thread length flat countersunk head style 0.490" grip length 24 thread quantity per inch tapped hole in head 0.1380-32, unjc-3b threads. distance from top of head to injection port 0.240 inch. injection on port 0.120 in. lg, 0.060 in. wide passivate surface treated unjf thread series
3a thread class right-hand 0.506" thread length flat countersunk head style 0.740" grip length 24 thread quantity per inch tapped hole in head 0.1380-32, unjc-3b threads. distance from top of head to injection port 0.240 inch. injection port 0.120 in. lg, 0.060 in. wide passivate surface treated unjf thread series
3a thread class right-hand 0.428" thread length headless (setscrew) head style 32 thread quantity per inch passivate surface treated unjc thread series
Used on sentry f22 aircraft. 3a thread class right-hand 0.733" thread length double hexagon extended washer head style 1.438" grip length 20 thread quantity per inch bolt, machine material modified by bps-f-69 passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.615" grip length 20 thread quantity per inch used on f-15; head has threaded drill-hole, .2500-28unjf-3b, modified p.d. .2330-.2298 passivate surface treated unjf thread series
Used on air launch and recovery eqpt. items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. these items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines,
2a thread class right-hand 0.290" thread length flat countersunk head style 40 thread quantity per inch metallic-ceramic coating, 0.0003-0.0006 inch thick per mil-c-81751 unc thread series
3a thread class right-hand 0.235" thread length pan no. 2 head style 0.060" hole diameter 32 thread quantity per inch passivate screw surface treated hole type drilled unjf thread series
