2a single mounting facility thread class 1.500" overall length 0.830" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
2a single mounting facility thread class 1.500" overall length 0.830" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on trident exterior communications; ship, ohio class ssn (trident); submerine communications and antenna systems. 0.781" overall length 0.347" overall width weapon system essential