Used on submarine vertical launch system (vls),systems, jp-5 aviation fuels, ssbn mk-118 fire control sys, forrestal class cv,nimitz class cvn,dry deck shelter, ticonderoga class cg (47),spruance class dd (963), los angeles class ssn(688). 3b thread class right-hand 10 thread quantity per inch
3b thread class right-hand 24 thread quantity per inch shank, titanium per ams 4928 extends from base of nut; plug provided cadmium nut surface treated
