MIL-DTL-3661 Lampholders, Indicator Lights, Indicator Light Housing, And Indicator Light Lenses, General Specification ForThis 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 \(see 6.5\).

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MIL-DTL-3661D

4.6.8.2 Static type contacts. The contact resistance of lampholders, indicator lights, and indicator-light

housings accommodating cylindrical plug-in cartridge type lamps shall be tested in accordance with 4.6.8 and as

follows:

(a) Preparation for test-An applicable test plug (see figure 5 ) shall be completely inserted and withdrawn a

minimum of twenty times into the applicable indicator-light housing, indicator light or lampholder.

(b) Method of connection � Between two lamp terminals.

4.6.9 Contact-spring pressure (see 3.5.8). Lampholder, indicator-light housings and indicator lights, as

applicable, employing spring loaded lamp contact assemblies shall be firmly mounted with their associated hardware

and tested as specified in 4.6.9.1 or 4.6.9.2 as applicable.

.203

�.015

FLANGE CONFIGURATION

.020

OPTIONAL

�.005

.284

�.005

.160

�.002

2.0 MIN

CORROSION RESISTANT

STEEL TERMINALS

�.040 �.001

SH9018

FIGURE 5. Cylindrical test plug.