2b thread class right-hand 32 thread quantity per inch 1.850 in. id, 96 dp raised diamond knurl, fill slot using tt-e-529, cla enamel, white, no 27875 per fed-std-595 oxide surface treated
2b thread class 20 thread quantity per inch 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,