MIL-B-8976, MILITARY SPECIFICATION: BEARINGS, PLAIN, SELF-ALIGNING, ALL METAL (6 FEB 1969) [S/S by SAE-AS8976]

MIL-B-8976, MILITARY SPECIFICATION: BEARINGS, PLAIN, SELF-ALIGNING, ALL METAL (6 FEB 1969) [S/S by SAE-AS8976]., This specification covers airframe all-metal plain spherical bearings which are self-aligning for use between -65 deg and 250 deg.