MIL-M-3971D (AMENDMENT 3), MILITARY SPECIFICATION: METERS, TIME TOTALIZING, NON-HERMETICALLY SEALED, ELECTRICAL: GENERAL SPECIFICATION FOR (14 SEP 1992) [S/S BY MIL-DTL-3971E]

MIL-M-3971D (AMENDMENT 1), MILITARY SPECIFICATION: METERS, TIME TOTALIZING, NON-HERMETICALLY SEALED, ELECTRICAL: GENERAL SPECIFICATION FOR (14 SEP 1992) [S/S BY MIL-DTL-3971E].