"STEEL MIL-S-6758 COND D-1 OR MIL-S-5626 COND D-1,BLACK OXIDE FINISH BPSFW4084 97499,1.610 IN. NOM RIGHT INTERNAL FLANGE DIA,1.830 IN. NOM BODY ID,0.800 IN. NOM O/A LG,2.0570 IN. MIN 2.0575 IN. MAX BODY OD,BODY OD 63MICROINCHES AA ALL OTHER SURFACES 125 MICROINCHES AA,MAGNETIC PARTICLEINSPECTED PER BPS 4075 97499 AND MIL-I-6868"