items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. these items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines,
3b thread class right-hand 0.051" thread length 32 thread quantity per inch boss, 0.380 in. od, 0.220 in. lg; groove, 0.645 in. fm boss; taper tip passivate surface treated
