Used on ticonderoga class cg (47); forrestal class cv; nimitz class cvn; los angeles class ssn (688); spruance class dd (963); ground mobile force satellite comm term (an/tsc-93a); virginia class cgn (41); communications systems an/wsc-3; strategic weapon systems (poseidon and trident); sturgeon class ssn (637). weapon system essential
2b second mounting facility thread class right-hand second mounting facility 3.250" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series
2a single mounting facility thread class 0.343" single mounting facility thread length 2.728" overall length 1.438" overall width unc single mounting facility thread series
2b second mounting facility thread class right-hand second mounting facility 3.250" overall length 3.090" overall width 32 second mounting facility thread quantity per inch unc second mounting facility thread series
2a single mounting facility thread class right-hand single mounting facility 0.938" overall length 0.734" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series