Used on aircraft, c-2a (reprocured); helicoptger, mh-53e; shipboard material handling equipment (mhe); forrestal class cv; virginia class cgn (41); helicopter, uscg search and rescue, hh-60j; helicopter, search and rescue, hh-60h; helicopter, advance attack, ah-1w; helicopter, carrier based asw, sh-60f.
2b all facilities hole thread class 0.250" power takeoff facility hole thread length 40 all facilities hole thread quantity per inch material document unc all facilities hole thread series
