MIL-U-3963A (NOTICE-1), MILITARY SPECIFICATION: UNIVERSAL JOINT, ANTIFRICTION BEARINGS (07-SEP-1999) [S/S BY SAE-AS39631]
MIL-U-3963A (NOTICE-1), MILITARY SPECIFICATION: UNIVERSAL JOINT, ANTIFRICTION BEARINGS (07-SEP-1999) [S/S BY SAE-AS39631]., MIL-U-3963A, dated 12 December 1958, is hereby canceled. Future acquisitions should
refer to SAE-AS39631, �Universal Joint, Antifriction Bearings.�