Used on 5420-01-430-5403;carrier,bridge launching:wsd;coummnications terminal,satellite an/fsc 78 & 79. 2b thread class right-hand 11 thread quantity per inch zinc plated steel zinc surface treated
2b thread class right-hand 24 thread quantity per inch contains three holes, 0.047 in. dia., evenly spaced, 0.378 in. from center of hole to center of nut