2a single mounting facility thread class right-hand single mounting facility 1.781" overall length 1.656" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on kidd class ddg; spruance class dd (963); forrestal class cv; los angeles class ssn (688); virginia class cgn (41); nimitz class cvn; sturgeon class ssn (637); ticonderoga class cg (47); radar, series an/sps-49(v). weapon system essential