INCH-POUND
MIL-DTL-5578D
8 August 2008
SUPERSEDING
MIL-T-5578C
31 July 1963
DETAIL SPECIFICATION
TANKS, FUEL, AIRCRAFT, SELF-SEALING
This specification is approved for use by all Departments and Agencies of the Department of
Defense.
1. SCOPE
1.1 Scope. This specification covers self-sealing and partially self-sealing fuel tanks for use
on aircraft. A tank consists of a cell or group of cells interconnected and the components
attached directly thereto, to form a complete tank or reservoir.
1.2 Classification. The tanks are of the following general types, classes, styles and
protection levels to be furnished as specified by the procuring activity (see 6.2):
Type I - For use with engine fuel conforming to ASTM-D910 (intended for use with
reciprocating engines).
Type II - For use with engine fuel conforming to ASTM-D910, MIL-DTL-5624 or
MIL-DTL-83133 (intended for use with jet engines).
Class A - Flexible cell construction.
Class B - Semi-rigid or self-supporting cell construction.
Style 1 - Non-pressurized fuel system.
Style 2 - Pressurized fuel system.
. Comments, suggestions, or questions on this document should be addressed to: Commander,
Naval Air Warfare Center Aircraft Division, Code 4L8000B120-3, Highway 547, Lakehurst,
NJ 08733-5100 or emailed to michael.sikora@navy.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 1560
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