MIL-L-3661/6 Revision C, February 5, 1987
LAMPHOLDER, HOUSING, INDICATOR LIGHT, STYLE LH74
Includes all amendments and changes through Validation Notice 4, April 18, 2014
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the indicator-light housings described herein shall consist of this specification and the latest issue of MIL-L-3661.