Used on zlos angeles class ssn (688); sturgeon class ssn (637); nimitz class cvn; spruance class dd (963); forrestal class cv; arleigh burke class ddg; ticonderoga class cg (47); virginia class cgn (41); oliver perry class ffg; kidd class ddg. 2.220" overall length 0.760" overall width weapon system essential
2b first mounting facility thread class right-hand first mounting facility 2.000" overall length 1.351" overall width 40 first mounting facility thread quantity per inch unc first mounting facility thread series
