Used on 1520-01-125-5476 helicopter,observation. 2b thread class right-hand 1.469" overall length 20 thread quantity per inch emp protective cadmium surface treated straight type unef thread series
Used on 1520-01-125-5476 helicopter,observation. 2b thread class right-hand 1.891" overall width 18 thread quantity per inch emp protective cadmium surface treated angle type w/clamp unef thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 4.321" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on 1520-01-298-4532 helicopter,utility. 2b thread class right-hand 3.650" overall length 0.350" overall width 56 thread quantity per inch unc thread series