2a thread class right-hand 2.603" overall length 1.125" overall width 32 thread quantity per inch item must comply with requirements of defense supply center columbus production standard no. LO4058 unc thread series
2a thread class right-hand 2.319" overall length 0.484" overall width 32 thread quantity per inch item must comply with requirements of defense supply center columbus production standard no. LO4059 unc thread series
2a thread class right-hand 3.859" overall length 1.984" overall width 32 thread quantity per inch item must comply with requirements of desc production standard no. L04057; for navy nuclear propulsion plant products only unc thread series