2a single mounting facility thread class right-hand single mounting facility 2.125" overall length 2.125" overall width 40 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on virginia class cgn (41); ticonderoga class cg (47); forrestal class cv; kidd class ddg; landing craft air cushion (lcac); spruance class dd (963); austin ship class lpd-4 amphibious transport docks; nimitz class cvn; sturgeon class ssn (637); los angeles class ssn (688). weapon system essential
2a single mounting facility thread class 0.375" single mounting facility thread length 1.842" overall length 1.312" overall width circular wafer, bushing mount unef single mounting facility thread series