MIL-U-3963A, MILITARY SPECIFICATION: UNIVERSAL JOINT, ANTIFRICTION BEARINGS (12-DEC-1958) [S/S BY SAE-AS39631]

MIL-U-3963A, MILITARY SPECIFICATION: UNIVERSAL JOINT, ANTIFRICTION BEARINGS (12-DEC-1958) [S/S BY SAE-AS39631]., This specification covers antifriction bearing universal joints for intermittent and continuous operation suitable for use in military applications.