General Description:
Steel, ams 6381 or ams 6371 or mil-t-6736, type 1, cond n or mil-s-5626, cond c-4 or mil-s-6758, cond d-4; 3.503 in. Min and 3.508 in. Maximum id, 3.754 in. Min and 3.755 in. Maximum od and 4.040 in. Nom flange od, and 0.290 in. Nom flg w, 3.200 in. Nom counterbore diameter by 0.140 in. Nom counterbor w