Used on mrap - unique nsn - mrap no permanent wsdc identified. right-hand 1.375" thread length 16 thread quantity per inch zinc surface treated unf thread series
Used on tristar airframe. 3a thread class 0.375" thread length 0.375" grip length 24 thread quantity per inch bolt, tension, hex head, close tolerance, 6al-4v titanium alloy, short thread, reduced major thread diameter, self-locking unjf thread series
Used on propeller,aircraft. right-hand fillister head style 28 thread quantity per inch fillister head screw 1/4 for series hc-D4n-2, -2aa, -2d, -2da, -2e, -2f, -2g
3a thread class right-hand 0.345" thread length hexagon head style 0.922" grip length 32 thread quantity per inch bolt, tension, hex head, close tolerance, alloy steel, long thread, reduced major diameter, non-locking, 160 ksi ftu has drilled shank cadmium surface treated unjf thread series
3a thread class right-hand 0.735" thread length hexagon head style 0.922" grip length 20 thread quantity per inch bolt, tension, hex head, close tolerance, alloy steel, long thread, reduced major diameter, self-locking, 160 ksi fut has drilled shank cadmium surface treated unjf thread series
