2a single mounting facility thread class 1.625" overall length 1.425" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on boliers, 1200 psi; integrated launch & recovery tv surveillance sys (ilarts); virginia class cgn (41); spruance class dd (963); forrestal class cv; mk 38 gun fire control system; ticonderoga class cg (47); helicopter, advance attack, ah-1w. 1.875" overall length 1.250" overall width weapon system essential