MIL-M-3971/2C (NOTICE 1), 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 (07 JAN 1991) [S/S BY MIL-DTL-3971/2D]

MIL-M-3971/2C (NOTICE 1), 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 (07 JAN 1991) [S/S BY MIL-DTL-3971/2D].