MIL-0-13830A (AMENDMENT 3), MILITARY SPECIFICATION, OPTICAL COMPONENTS FOR FIRE CONTROL INSTRUMENTS; GENERAL SPECIFICATION GOVERNING THE MANUFACTURE, ASSEMBLY, AND INSPECTION OF (128 SEP 1987) [S/S BY MIL-PRF-13830B]
MIL-0-13830A (AMENDMENT 3), MILITARY SPECIFICATION: OPTICAL COMPONENTS FOR FIRE CONTROL INSTRUMENTS; GENERAL SPECIFICATION GOVERNING THE MANUFACTURE, ASSEMBLY, AND INSPECTION OF (28 SEP 1987) [S/S BY MIL-PRF-13830B].