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|  MIL-W-29592(AS)
3.4.4 Maximum oil leakage. The maximum oil leakage allowed from the
automatic air vent valve outlet in any condition of failure of the internal
mechanism shall not be greater than 1500 ml per hour. This maximum oil
leakage rate shall be calculated by the manufacturer using an oil temperature
of 2400F and the maximum reservoir pressure as specified on the applicable
military specification sheet. The detailed calculations with any assumptions
shall be submitted with the first article test report as evidence of
conformance. The oil leakage may also be measured by actual test using the
same conditions as required for the calculation method. A description of the
failure mode and method of generating the failure shall be included in the
test report.
The automatic air vent valves shall pass the tests
3.5 Performance.
specified in 4.4.
3.6 Interchangeability. All parts having the same manufacturer's part
number shall be directly and completely interchangeable with each other with
respect to installation and performance. Changes in manufacturer's part
numbers shall be governed by the drawing number requirements as specified in
MIL-T-31OOO. The manufacturers part number and drawing number shall be the
same.
3.7 Identification of product.
Each automatic air vent valve shall be
clearly and permanently identified by steel stamping or by a permanently
attached nameplate conforming to MIL-STD-130. The following information shall
be provided:
Valve, Air Vent, Mechanical (For Class I pressure actuated) or
Valve, Air Vent, Electrical (For Class II air actuated types)
M29592/YY-ZZ (Insert slash sheet number and dash size)
Manufacturer's Number
Manufacturer's S/N
Manufacturer's Name
3.8 Workmanship. Workmanship shall be of such quality as to assure that
automatic air vent valves furnished under this specification are free of
defects that compromise, limit, or reduce performance or intended use. The
automatic air vent valves shall be neat and free of burrs, rust, scratches,
chips and sharp edges. Where dimensions and tolerances may affect inter-
changeability, they shall be limited accordingly.
4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the
contract or purchase order, the contractor is responsible for the performance
of all inspection requirements (examinations and tests) as specified herein.
Except as otherwise specified in the contract or purchase order, the con-
tractor may use his own or any other facilities suitable for the performance
of the inspection requirements specified herein, unless disapproved by the
Government. The Government reserves the right to perform any of the
inspections set forth in this specification where such inspections are deemed
necessary to ensure supplies and services conform to prescribed requirements.
All items shall meet all require-
4.1.1 Responsibility for compliance.
ments of sections 3 and 5. The inspection set forth in this specification
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