Used on f/tf-15a acft. 2a single mounting facility thread class 0.437" single mounting facility thread length 2.123" overall length tap, circular, bushing mount unef single mounting facility thread series
2b thread class right-hand 0.803" overall length 1.312" overall width 56 thread quantity per inch guide pin left side 0.100 in. dia, guide pin right side 0.086 in. dia unc thread series
2a thread class right-hand 1.312" overall width 56 thread quantity per inch left hand guide socket 0.100 in. dia, right hand guide socket 0.086 in. dia unc thread series
2a thread class right-hand 2.750" overall length 1.531" overall width 24 thread quantity per inch left side guide pin 0.140 in. dia, right side guide pin 0.120 in. dia unc thread series
2b thread class right-hand 2.000" overall length 0.875" overall width 40 thread quantity per inch guide pin left side 0.110 in. dia, guide pin right side 0.090 in. dia unc thread series