MIL-M-3971/2C, MILITARY SPECIFICATION SHEET: METERS, TIME TOTALIZING, NON-HERMETICALLY SEALED, ELECTRICAL: TYPE II, 120V, 60 Hz AND 120V, 400 Hz GRADES A AND B, 2 HOLE AND 3 HOLE FLANGE (31 JAN 1985) [S/S BY MIL-DTL-3971/2D]

MIL-M-3971/2C, MILITARY SPECIFICATION SHEET: METERS, TIME TOTALIZING, NON-HERMETICALLY SEALED, ELECTRICAL: TYPE II, 120V, 60 Hz AND 120V, 400 Hz GRADES A AND B, 2 HOLE AND 3 HOLE FLANGE (31 JAN 1985) [S/S BY MIL-DTL-3971/2D]., This specification is approved for use by all Departments and Agencies of the Department of Defense. The complete requirements for procuring meters described herein shall consist of this document and the issue in effect of MIL-M-3971.