INCH-POUND
MIL-DTL-13531J
2 December 2009
SUPERSEDING
MIL-DTL-13531H
22 May 2008
DETAIL SPECIFICATION
HOSE AND HOSE ASSEMBLY, RUBBER
(HYDRAULIC, PNEUMATIC, FLEXIBLE)
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers hose and hose assembly, rubber (hydraulic, pneumatic, flexible)
(see 6.1). These hoses are not for use as oxygen hoses.
1.2 Part or Identifying Number (PIN). The PIN consists of the letter M (see 3.7), the basic
specification number, a dash, type of hose, diameter of hose, class of hose, length of hose or hose
assembly, fractional length in 8's of an inch, fitting types, displacement angle, fitting material and finish,
as shown in the following example:
M
13531
-X
X
X
XXX
X
XX
XXX
-X
Fitting material and plating
finish (see 1.2.8)
Displacement angle if
applicable (see 1.2.7)
Fitting types (left and right
ends (1.2.6)
Fractional length in eighths
of an inch (see 1.2.5)
Length of hose or hose
assembly (see 1.2.4)
Class (A or B) (see 1.2.3)
Hose diameter (see 1.2.2)
Hose type (see 1.2.1)
Specification number
Prefix
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.
AMSC N/A
FSC 4720
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