[INCH-POUND]
A-A-52545B
03 August, 2009
SUPERSEDING
A-A-52545A
February 4, 1997
COMMERCIAL ITEM DESCRIPTION
HEATERS, VEHICULAR COMPARTMENT
28 VOLT, DC
The General Services Administration has authorized the use of this commercial item
description (CID) for all federal agencies.
1. SCOPE. This CID covers two types of heaters of 28 volt (V) direct current (dc) nominal
rating, used for heating crew and engine compartments of military vehicles or equipment. Type I
heaters are intended for use on military vehicles or equipment which may be required to operate
in an ambient temperature to minus 65 degrees Fahrenheit (-65F); from which a supply of
gasoline is available; when heated air is required without the vehicle engine being operated.
Type II heaters are intended for use on military vehicles or equipment from which a supply of
heated circulating liquid (engine coolant) is available, which may be required to operate in an
ambient temperature to -25F.
1.1 Classification. Heaters shall be of the following types and capacities, as specified (see 6.2):
Type I - Gasoline Fired:
Capacity A - 20 000 British thermal units per hour (Btu/hr).
Capacity B - 30 000 Btu/hr.
Capacity C - 60 000 Btu/hr.
Type II - Liquid Coolant Operated:
Capacity B - 30 000 Btu/hr.
Comments, suggestions, or questions on this document should be addressed to U.S. Army
Tank-automotive and Armaments Command, ATTN: RDTA-EN/DM/STND, MS# 268, 6501 E.
11 Mile Road, Warren, MI 48397-5000 or emailed to
DAMI_STANDARDIZATION@conus.army.mil. 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.
AMSC N/A
FSC 2540
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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