2b thread class right-hand 2.000" overall length 1.750" overall width 18 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series
Used on f-16 oper flight trainer. 2a single mounting facility thread class 0.355" single mounting facility thread length 2.685" overall length keyway is 0.069 in. wide by 0.036 in. deep measured from a 0.375 dia; compressible panel seal; bushing is 0.375 in. length; threads are 0.3750-32 unef-2a tap, circular, bushing mount unef single mounting facility thread series