2a single mounting facility thread class 0.375" single mounting facility thread length 3.094" overall length 1.313" overall width item must comply with requirements of desc production standard no. L00739; for navy nuclear propulsion plant products only circular wafer, bushing mount unef single mounting facility thread series
2a thread class right-hand 3.094" overall length 1.080" overall width item must comply with requirements of defense electronics supply center production standard no. L00749 unc thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.626" overall length 1.406" overall width circular wafer, bushing mount unef single mounting facility thread series