MIL-DTL-25579 Hose Assembly, Polytetrafluoroethylene, High Temperature, Medium Pressure, General Specification ForThis specification contains the requirements for medium pressure, high temperature, polytetrafluoroethylene \(PTFE\) hose assemblies, reinforced with a corrosion-resistant steel \(CRES\) wire braid for use in fuel, lubricating oil, water-alcohol, hydraulics and pneumatic systems within the limits specified herein.

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INCH-POUND

MIL-DTL-25579G

14 January 2010

SUPERSEDING

MIL-DTL-25579F

25 September 2003

DETAIL SPECIFICATION

HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE,

HIGH TEMPERATURE, MEDIUM PRESSURE,

GENERAL SPECIFICATION FOR

This specification is approved for use by all

Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification contains the requirements for medium pressure, high temperature,

polytetrafluoroethylene (PTFE) hose assemblies, reinforced with a corrosion-resistant steel (CRES) wire

braid for use in fuel, lubricating oil, water-alcohol, hydraulics and pneumatic systems within the limits

specified herein.

1.2 Classification. The hose assemblies are classified as follows (see 6.1):

a. Class 1 - ALL CRES fittings for all sizes, operating temperature ranging from -65�F to +450�F.

b. Class 2 - Combination of aluminum alloy and CRES fittings for sizes 8 and larger, operating

temperature ranging from -65�F to +275�F.

1.3 Application limitations.

1.3.1 Size -3/-4 reducer assembly. The size -3/-4 reducer assembly should not be used in aircraft

hydraulic systems.

1.3.2 Pneumatic storage system. Pneumatic storage system application should not be used (see 6.1).

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3, 4 and 5 of this

specification. This section does not include documents cited in other sections of this specification or

recommended for additional information or as examples. While every effort has been made to ensure the

completeness of this list, document users are cautioned that they must meet all specified requirements of

documents cited in sections 3, 4, and 5 of this specification, whether or not they are listed.

Comments, suggestions, or questions on this document should be addressed to: Defense Supply Center,

Columbus, Attn: DSCC-VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to FluidFlow@dla.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.

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