MIL MIL-I-81663/1 Notice 1 - Validation

MIL MIL-I-81663/1 Notice 1 - Validation INDICATOR, BUILT IN TEST (BIT), ELECTRICALLY PULSE OPERATED, THREADED MOUNTING, SINGLE AND DUAL COIL, SOLID BLACK/WHITE DATA DISPLAY (NO S/S DOCUMENT)

Amendment by Military Specifications and Standards, 03/21/1988