MIL-V-5525C
21 OCTOBER 1959
SUPERSEDING
MIL-V-5525B(ASG)
9 APRIL 1953
MILITARY SPECIFICATION
VALVES, AIRCRAFT POWER BRAKE
This specification hass been approved by the Department of Defense and is man-
datory for use by the Departments of the Army, the Navy, and the Air Force.
1. SCOPE
1.1 This specification covers power brake
valves for use in aircraft hydraulic wheel
brake subsystems up to a maximum rated
pressure of 3,000 psi.
2. APPLICABLE DOCUMENTS
2.1 The following documents, of the issue
in effect on date of invitation for bids, form
a part of this specification:
SPECIFICATIONS
MILITARY
MIL-P-5514
— Packings; Installation
and Gland Design, Hydraulic ( Gen-
eral Specification for).
MIL-P-55I7
— Plastic Parts in Air-
craft Hydraulic Equipment; General
Tests for.
MIL-H-5606
— Hydraulic Fluid, Pe-
troleum Base, Aircraft and Ordnance.
MIL-H-8775
— Hydraulic System
Components Aircraft, General Specifi-
cation for.
. STANDARDS
MILITARY
MIL-STD-105 - Sampling Procedures
and Tables for Inspection by Attri-
butes.
(copies of specifications, standards, drawings and
publications required by contractors in connection
with specific procurement functions should be ob-
tained from the procuring activity or as directed by
the contracting officer. )
3. REQUIREMENTS
3.1 Preproduction sample. Prior to begin-
ning quantity production, preproduction sam-
ples shall be subjected to preproduction test-
ing. The preproduction sample shall be pro-
duced by the same method and of the same
material that will be used for quantity pro-
duction of the item.
3.2 General. The requirements of Specifi-
cation MIL-J-8775 apply as requirements
of this specification with the exceptions and
additions specified herein. When the two spe-
cifications conflict, this specification shall
govern. Unless otherwise specified by the
procuring activity, the brake valves shall
not be used with any hydraulic fluid other
than that conforming to the requirements of
Specification MIL-H-5606.
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