2a single threaded bushing thread class 0.500" single threaded bushing thread length 5.280" overall length cylindrical w/flange unf single threaded bushing thread series
Used on helicopter, iroquois uh-1, helicopter, iroquois hh/uh-1. 3a single pressure connection thread class 4.062" overall length 0.438" single connection outside diameter 2.220" overall width 20 all pressure connection thread quantity per inch weapon system essential cylindrical w/mounting lugs unf all pressure connection thread series
2a single mounting facility thread class 0.380" single mounting facility thread length 2.136" overall length 1.312" overall width circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 1.531" overall length 1.531" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series