Used on aircraft, t-39; aircraft, t-37; support equipment, t-37 aircraft; support equipment, f-16 aircraft; aircraft, t-38; support equipment, t-38 aircraft. 2a thread class right-hand 1.156" overall length 6 thread quantity per inch weapon system essential uns thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.687" overall length 1.516" overall width circular wafer, bushing mount unef single mounting facility thread series