2.625" overall length 1.125" overall width item must comply with requirements of desc production standard no. L02619: for navy nuclear propulsion plant products only
2a thread class right-hand 2.718" overall length 1.234" overall width 32 thread quantity per inch item must comply with requirements of desc production standard no. L02618; for navy nuclear propulsion plant products only unc thread series
2a thread class right-hand 3.515" overall length 1.453" overall width 32 thread quantity per inch item must comply with requirements of desc production standard no. L02621; for navy nuclear propulsion plant products only unc thread series