Used on radar set an/sps-40c. 2b thread class right-hand 10.040" overall length 2.000" overall width 32 thread quantity per inch 1.250 in. by 2.620 in. opening for rectangular connector; 0.655 in. by 2.319 in. opening for d-type connector passivate surface treated irregular shape unf thread series
2b single mounting facility thread class 1.583" overall length 0.420" overall width 40 single mounting facility thread quantity per inch paint surface treated irregular unjc single mounting facility thread series
2a single mounting facility thread class 0.312" single mounting facility thread length 1.416" overall length tap, circular, bushing mount unef single mounting facility thread series