Used on 6625-01-016-5966 gain phase meter; ticonderoga class cg (47), virginia class cgn (41), spruance class dd (963), general purpose electronic test equipment gpete, los angeles class ssn (688), kidd class ddg, seawolf class ssn. 2a single mounting facility thread class 0.375" single mounting facility thread length 1.937" overall length weapon system essential circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 3.520" overall length 2.500" overall width 32 single mounting facility thread quantity per inch legend plate reads normal test tshss tap, circuit selector unc single mounting facility thread series
2a single mounting facility thread class 0.469" single mounting facility thread length 3.703" overall length 32 single mounting facility thread quantity per inch tap, circular, bushing mount uns single mounting facility thread series
2b single mounting facility thread class 3.520" overall length 2.500" overall width 32 single mounting facility thread quantity per inch legend plate reads run/stop in both center tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class position engravings: off, em gen, nor source, alt source tap, circuit selector unf single mounting facility thread series