MS13820C, MILITARY STANDARD: END BELL, ELECTRICAL ROTATING EQUIPMENT, COMMUTATOR END (GENERATOR, ENGINE-ACCESSORY, 28 VOLT, 18 AMP) (08 NOV 1982) [NO SUPERSEDING DOCUMENT]
MS13820C, MILITARY STANDARD: END BELL, ELECTRICAL ROTATING EQUIPMENT, COMMUTATOR END (GENERATOR, ENGINE-ACCESSORY, 28 VOLT, 18 AMP) (08 NOV 1982) [NO SUPERSEDING DOCUMENT].