METRIC
MIL-DTL-62547D (AT)
15 September 2010
SUPERSEDING
MIL-DTL-62547C (AT)
30 September 1998
DETAIL SPECIFICATION
VALVE AND CYLINDER ASSEMBLIES, HALON 1301
This specification is approved for use by all Departments and Agencies of the
Department of Defense.
1. SCOPE
1.1 Scope. This specification covers three classes of fixed fire extinguishers, referred to
herein as "extinguishers", "valve and cylinder assemblies" and "assemblies", and an electrically
and manually actuated discharge valve, referred to herein as "discharge valve" and "valve".
These items are used with bromotrifluoromethane (Halon 1301) fire extinguishing systems in
military vehicles (see 6.1 and 6.2).
1.2 Classification. The extinguishers will be of the following classes, as specified
(see 6.2):
Class 1 -
A valve and cylinder assembly containing 2.27 kilograms (kg)
[5 pounds (lb)] of Halon 1301 in a 2360 cubic centimeter (cm3)
[144 cubic inch (in.3)] receiver cylinder
Class 2 -
A valve and cylinder assembly containing 3.18 kg (7 lb) of Halon 1301 in a
3340 cm3 (204 in.3) receiver cylinder
Class 3 -
A valve and cylinder assembly containing 4.54 kg (10 lb) of Halon 1301 in a
4720 cm3 (288 in.3) receiver cylinder
1.3 Part identification number (PIN). The pin to be used for valves acquired to this
specification are created as follows:
Comments, suggestions, or questions on this document should be addressed to
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
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 4210
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