2b single mounting facility thread class 3.687" overall length 3.156" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on aircraft, stratolifter c-135. 2b thread class right-hand 20 thread quantity per inch weapon system essential chromate surface treated single clamping action w or w/o bushing un thread series
2b single mounting facility thread class 2.060" overall length 1.870" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 0.365" single mounting facility thread length 2.786" overall length 1.609" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.610" overall length circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 4.813" overall length 3.750" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series