Used on test set flap 80378. 2a single mounting facility thread class 0.437" single mounting facility thread length 4.571" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on air condition 57107. 2b all threaded hole thread class 2.380" overall length 1.215" overall width 32 all threaded hole thread quantity per inch rectangular unc all threaded hole thread series