INCH-POUND
A-A-52482B
April 14, 2010
SUPERSEDING
A-A-52482A
July 5, 1995
COMMERCIAL ITEM DESCRIPTION
SWITCH, ROTARY: STOPLIGHT, VEHICULAR,
MECHANICALLY ACTUATED, 28 VOLT DC
The General Services Administration has authorized the use of this commercial item
description (CID) as a replacement for MS75064C(AT) for all federal agencies.
1. SCOPE.
This CID covers a 28 volt (V) direct current (dc) single-pole, single-throw waterproof rotary
switch intended for use with a stoplight in tactical vehicles operating on a nominal 24 Vdc
electrical system.
2. SALIENT CHARACTERISTICS
2.1 Materials. Unless otherwise specified herein, materials used shall be in accordance with the
manufacturer's drawings/specifications. The use of recovered material made in compliance with
the regulatory requirements is acceptable providing that all requirements of this CID are met
(see note d).
2.1.1 Dissimilar metals. Except where necessary to couple an electrical circuit, contact between
dissimilar metals which would encourage galvanic action shall be avoided.
2.1.2 Plastic. The switch shall show no deteriorating effect during shipping, storage and usage,
such as, cracking, chipping, or blistering.
2.1.3 Locking devices. Lockwashers, self-locking nuts, or other approved locking devices shall
be incorporated where required to prevent loosening of components.
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that
may improve this document should be sent to DAMI_STANDARDIZATION@conus.army.mil or
U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center,
ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000.
Since contact information can change, you may want to verify the currency of this address
information using the ASSIST Online database at https://assist.daps.dla.mil/online/.
AMC N/A
FSC 5930
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