2a single mounting facility thread class 0.417" single mounting facility thread length 5.915" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on los angeles class ssn (688); nimitz class cvn; systems, jp-5 aviation fuels; ticonderoga class cg (47); ssbn mk-118 fire control sys; virginia class cgn (41); spruance class dd (963); forrestal class cv; sonar rubber domes (srds); kilauea class t-ae 26. item must comply with requirements of desc production standard no. L04528; for navy nuclear propulsion plant products only