Used on 4920-01-230-5964 test set,engine operation. 2b single mounting facility thread class 0.375" overall length 1.700" overall width 56 single mounting facility thread quantity per inch panel seal rectangular indicating unc single mounting facility thread series
2b single mounting facility thread class 0.480" overall length 1.800" overall width 56 single mounting facility thread quantity per inch button rectangular indicating unc single mounting facility thread series