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|  MIL-C-45574B(AR)
3.6.5 Scavenger hardware.
3.6.5.1 Scavenger hardware M81E1. The scavenger hardware shall operate with
gas bursts of 0.8 0.1 second duration at a pressure of 300 + 20 psi.
3.6.5.2 Scavenger hardware (M162). The scavenger hardware plunger and
chamber valves shall operate with gas bursts of 0.35 + 0.01 second duration at
a pressure of 1180 + 20 psi.
3.7 Proof testing The cannon shall be capable of withstanding a chamber
pressure of 43,400 1,500 psi
3.7.1 Material soundness. Before and after proof firing, all parts shall be
free from cracks and fractures and shall comply with any special soundness
requirements specified on the applicable drawing.
3.7.2 Bore and breech chamber enlargement. Enlargement of the tube bore as a
result of proof firing shall not exced 0.003 inch after a maximum of twenty
(20) proof rounds. No enlargement of the breech chamber is permissible.
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
contractor 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.
4.1.1 Responsibility for compliance. All items shall meet all requirements
of sections 3 and 5. The set forth in this specification shall
become a part of the contractor's overall inspection system or quality
program. The absence of any inspection requirements in the specification
shall not relieve the contractor of the responsibility of ensuring that all
products or supplies submitted to the Government for acceptance comply with
all requirements of the contract. Sampling inspection, as part of
manufacturing operations, is an acceptable practice to ascertain confrormance
to requirements, however, this does not authorize submission of known
defective material, either indicated or actual, nor does it commit the
Government to accept defective material.
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