3a thread class right-hand 0.477" thread length flat countersunk head style 28 thread quantity per inch three key slots length of screw, 120 degrees apart, 0.040 in. wide passivate surface treated unf thread series
3a thread class right-hand 0.429" thread length spline drive shear head head style 0.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.374" thread length hexagon head style 3.859" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.231" thread length flat chamfer head style 40 thread quantity per inch passivate fastener surface treated unjc thread series
Used on 2350-01-061-2445 m1a1 tank. 2a thread class 1.000" nut thread a thread length 12.400 feet overall length 16 nut thread a thread quantity per inch unc nut thread a thread series
3a thread class right-hand 0.193" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 1.125" thread length hexagon head style 14 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
3a thread class right-hand 0.477" thread length flat countersunk head style 28 thread quantity per inch 0.112 in. dia. hole for CA2105 cagec 29372 plug; 040 in. wide x 0.029 in. deep splines 120 degrees apart passivate surface treated unf thread series
3a thread class right-hand 0.954" thread length double hexagon w/hole head style 4.240" grip length 16 thread quantity per inch assembly area extended at threaded end, 0.537 nom. in. length, 0.549 min. in. passivate surface treated unjf thread series
2a thread class right-hand 0.320" thread length hexagon head style 28 thread quantity per inch internal threads on threaded end 0.086 nom. in. thread dia. with 56unc threads per inch; 0.250 min. in. deep; chemical film finish per 580-0034-000, cagec 13499 concentric hole threaded unf thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 40 thread quantity per inch passivate fastener surface treated unrc thread series
3a thread class right-hand 0.670" thread length flat chamfer head style 40 thread quantity per inch passivate fastener surface treated unrc thread series