ns thread class right-hand 2.125" overall length 2.000" overall width 18 thread quantity per inch 16-22 wire size socket contact in lieu of 16-16 uns thread series
2a thread class right-hand 1.505" overall length 1.453" overall width 20 thread quantity per inch reduced diameters for raised seal barriers or lead-in chamfer is required for contact positions a-h, j-n, p, unef thread series