Used on emergency restoration kit. 2a thread class right-hand 0.250" thread length watertight head style 20 thread quantity per inch screw, seal, port unc thread series
right-hand 0.500" thread length flat countersunk head style 24 thread quantity per inch zinc screw surface treated hexagon socket for internal drive unc thread series
3a thread class right-hand 0.625" thread length 56 thread quantity per inch heaxagonsocket with a partially knurled head passivate surface treated unc thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 1.552" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.363" thread length flat countersunk head style 1.125" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.157" grip length 3150 double pounds per square inch shear strength
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.094" grip length 3150 double pounds per square inch shear strength
2a thread class right-hand 1.250" stud thread thread length 2.100" overall length 20 thread quantity per inch navy special project shouldered unc thread series
Used on w/s: aircraft, eagle f-15; f/a-18e/f hornet aircraft. 3a thread class right-hand flush countersunk head style 0.307" grip length unjf thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 2.375" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
Used on w/s: aircraft, harrier av-8b; aircraft, eagle f-15. 3a thread class right-hand flush countersunk head style 0.188" grip length unjf thread series
2a thread class right-hand knurled no. 4 head style 32 thread quantity per inch retainer shall be thermoplastic passivate fastener surface treated unc thread series