[METRIC]
A-A-52525A
October 7, 1996
SUPERSEDING
A-A-52525
September 26, 1995
(see 7.3)
COMMERCIAL ITEM DESCRIPTION
HORNS AND BUZZERS, AIR- AND
ELECTRICALLY-ACTUATED
The General Services Administration has authorized the use of this commercial item
description (CID) for all federal agencies.
1. SCOPE. This CID covers horns and buzzers used in 12- or 24-volt (V) direct current (dc)
circuits as warning signals in tactical vehicles, combat vehicles, and other equipment operating
under severe and extreme conditions of shock, vibration, and climate.
2. CLASSIFICATION. Horns and buzzers are of the following types and classes:
Type I
- Horn, air-actuated, electrically controlled.
Type II
- Horn, electrically-actuated.
Type III
- Buzzer, electrically-actuated.
Type IV
- Horn, electrically-actuated (12 V dc), non-waterproof.
Class 1
- 24 V dc.
Class 2
- 12 V dc.
3. SALIENT CHARACTERISTICS
3.1. Materials. Unless otherwise specified (see 7.2), materials shall conform to the manufacturer's
specifications/standards. The use of recycled or reclaimed materials is acceptable provided that all
other requirements of this CID are met (see 4.1).
3.2 Design and construction. Type I, II, and IV horns shall be designed and constructed in
accordance with figures 1, 2, and 4, respectively. Type III buzzers shall be designed and
constructed in accordance with figure 3.
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other
data which may improve this document should be sent by letter to: U.S. Army Tank-automotive
and Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000.
AMSC N/A
FSC 2590
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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