2a single mounting facility thread class right-hand single mounting facility 1.560" overall length 1.210" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.355" overall length 0.812" overall width rectangular panel mount unef single mounting facility thread series
2b thread class right-hand 1.449" overall length 2.219" overall width 18 thread quantity per inch anodize surface treated gland nut type uns thread series
2b thread class right-hand 1.125" overall length 1.468" overall width 18 thread quantity per inch anodize surface treated gland nut type unef thread series