2a single mounting facility thread class 1.156" overall length 0.910" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on 1270-01-142-2855 target designator. 2a single threaded stud thread class 0.187" single threaded stud thread length 32 single threaded stud thread quantity per inch disc unc single threaded stud thread series