MIL-B-7949E (SUPPLEMENT 1), MILITARY SPECIFICATION: BEARINGS, BALL, AIRFRAME, ANTI-FRICTION (09 APR 1981) [S/S BY SAE-AS7949]

MIL-B-7949E (SUPPLEMENT 1), MILITARY SPECIFICATION: BEARINGS, BALL, AIRFRAME, ANTI-FRICTION (09 APR 1981) [S/S BY SAE-AS7949]., This supplement forms a part of Military specification MIL-G-7949E dated 9 April 1981 and is approved for use by all Departments and Agencies of the Department of Defense .