MIL-L-3661B (AMENDMENT 4), MILITARY SPECIFICATION: LAMPHOLDERS, INDICATOR LIGHTS, INDICATOR LIGHT HOUSINGS, AND INDICATOR LIGHT LENSES, GENERAL SPECIFICATION FOR (09-DEC-1991) [S/S BY MIL-DTL-3661C ]

MIL-L-3661B (AMENDMENT 4), MILITARY SPECIFICATION: LAMPHOLDERS, INDICATOR LIGHTS, INDICATOR LIGHT HOUSINGS, AND INDICATOR LIGHT LENSES, GENERAL SPECIFICATION FOR (09-DEC-1991) [S/S BY MIL-DTL-3661C ].