MIL-C-46793C(ME)
3.8.3.1 Welding. The surfaces of parts to be welded shall be free from
scale, paint, grease, and other foreign matter. Welding shall be done by the
shielded metal-arc or gas metal-arc (MIG) process and shall conform to the
provisions of ASME and AWS Codes. All welded parts shall be free from cracks
and other imperfections that may reduce the effectiveness of the part. Work
shall be positioned for flat welding when practicable. Before welding over
previously deposited weld metal all traces of slag shall be removed, and the
deposit and adjoining base metal shall be wire brushed clean.
3.8.3.2 Welders or welding operators. Before assigning any welder or
welding operator to welding work covered by this specification, the contractor
shall obtain certification that the welder or welding operator has passed
qualification tests as prescribed by either AWS D 1.1 or the ASME code for the
materials joined and the type of welding operation to be performed and that
such qualification is effective as defined. Contractors who only make
horizontal welds need not qualify welders for "all position welding." The
contractor is responsible for determining that automatic welding equipment
operators are capable of producing quality welds in accordance with AWS and
ASME codes. In the event of evidence of poor welds, the Government reserves
the right to require retesting of any welder or welding operator (see 6.5).
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 the specification where such inspections
are deemed necessary to ensure supplies and services conform to prescribed
requirements.
4.1.1 Responsibility for compliance. All items must meet all requirements
of sections 3 and 5. The inspection 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 conformance
to requirements, however, this does not authorize submission of known
defective material, either indicated or actual, nor does it commit the
Government to acceptance of defective material.
4.1.2 Component and material inspection. The contractor is responsible for
ensuring that components and materials used are manufactured, examined, and
tested in accordance with referenced specifications and standards, as
applicable.
4.2
Classification of inspection.
Inspection shall be classified as
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