INCH --- POUND
MIL --- PRF --- 51191G(EA)
14 February 2011
SUPERSEDING
MIL --- PRF --- 51191F(EA)
w/AMENDMENT 1
23 August 2010
PERFORMANCE SPECIFICATION
HEATER, AIR, ELECTRICAL, FILTER UNIT, M3
Reactivated for new design after 12 June 1997
This specification is approved for use by the U.S. Army Edgewood
Chemical Biological Center, Department of the Army, and is available
for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers electric air heaters that provide for heating air sup-
plied from Gas --- Particulate Filter Units (GPFUs) to military personnel who wear Nuclear ---
Biological --- Chemical (NBC) protective masks during cold weather operations.
Comments, suggestions, or questions on this document should be addressed to: U.S. Army Edgewood
Chemical Biological Center, ATTN: RDCB --- DEA--- S, 5183 Blackhawk Road, Aberdeen Proving Ground,
MD 21010 --- 5424 or emailed to APGR--- EcbcSpecsTeam@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 4240
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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