2a single mounting facility thread class 0.375" single mounting facility thread length 1.451" overall length 0.937" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.469" single mounting facility thread length 5.563" overall length 32 single mounting facility thread quantity per inch item must comply with requirements of desc production standard no. L00669; for navy nuclear propulsion plant products only tap, circular, bushing mount uns single mounting facility thread series
3a single threaded bushing thread class 0.375" single threaded bushing thread length 3.625" overall length 24 single threaded bushing thread quantity per inch cylindrical unf single threaded bushing thread series