MIL-L-3661/2 Revision B, December 13, 1968
LAMPHOLDERS, INDICATOR LIGHTS, INDICATOR-LIGHT HOUSINGS AND INDICATOR-LIGHT LENSES HOUSINGS, DRIPPROOF, STYLE LH50
Includes all amendments and changes through Validation Notice 6, November 4, 2014
This specification is mandatory for us by all Departments and Agencies of the Department of Defense.
The complete requirements for procuring the indicator lights (housing) described herein shall consist of this document and the latest issue of MIL-L-3661.