MIL-DTL-3661C
10 JUNE 2003
SUPERSEDING
MIL-L-3661B
27 MARCH 1967
DETAIL SPECIFICATION
LAMPHOLDERS, INDICATOR LIGHTS, INDICATOR LIGHT HOUSINGS,
AND INDICATOR LIGHT LENSES, GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the general requirements for lampholders, indicator lights, indicator-
light housings, and indicator-light lenses including display and integral lamp driver network types and
associated hardware. For the purpose of this specification, an indicator-light housing is an indicator light
without a lens (see 6.5).
1.2 Classification.
1.2.1 Type designation of lampholders and indicator-light housings. The type designation of lampholders
and indicator-light housings will be in the following form, and as specified (see 3.2 and 6.2):
LH79 /1
Style Type
(1.2.1.1) (1.2.1.2)
1.2.1.1 Style. The style is identified by a two-letter symbol “LH” followed by a two digit number.
1.2.1.2 Type. The applicable types based on circuit or mechanical parameters are identified by one or
more digit numbers. The numbers will follow and be separated from the style number by a slash mark.
Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in
improving this document should be addressed to: the Defense Supply Center Philadelphia, DSCP-ITAA, 700
Robbins Avenue, Philadelphia, PA 19111-5096 by using the self-addressed standardization Document
Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A FSC 6210
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
INCH-POUND
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