2a thread class right-hand 0.625" thread length flat countersunk head style 40 thread quantity per inch material 18-8 stainless steel with flat slotted head unc thread series
Used on 1025-01-445-0991, 155mm lightweight howitzer, towed. 2a thread class right-hand 0.375" thread length hexagon head style 32 thread quantity per inch machine hex-hd screw unc thread series
Used on c-130 aircraft. 2a thread class right-hand 2.160" thread length fillister head style 0.046" hole diameter 36 thread quantity per inch unf thread series