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
Used on kc-135r aircraft. 2a thread class right-hand 0.874" overall length 1.343" overall width 18 thread quantity per inch hermeticaly sealed unef thread series
2b thread class right-hand 2.812" overall length 1.156" overall width 20 thread quantity per inch cadmium surface treated straight type w/cable clamp unef thread series