2a single mounting facility thread class 0.375" single mounting facility thread length 2.531" overall length 1.422" overall width circular wafer, bushing mount unef single mounting facility thread series
Used on chelicopter, ch-53a/d/e, aircraft, ov-10a/h, helicopter, sof / hh-53h pave low, helicopter, super jolly h-53, engine, aircraft, t64-ge-3/7 (h-53b/c/h,hh-53b), helicopter, rh-53, helicopter, mh-53e. 3a thread class 1.740" overall width 12 thread quantity per inch weapon system essential un thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.946" overall length circular wafer, bushing mount unef single mounting facility thread series