MIL-DTL-82020C(YD)
extent of welding is such as to impair the strength of the casting or as directed by the contracting
officer.
3.7.1 Minor defects. Minor defects shall include areas resulting from oxygen cutting, chipping,
surface sand, or slag defects, or slight surface defects. The depth of the defect, when prepared for
repair welding, shall not exceed 20 percent of the wall thickness at that point, or 1-inch (25 mm),
whichever is less. No other dimension shall be greater than four times the wall thickness, or
greater than 6 inches (152 mm), whichever is less.
3.7.2 Major defects. Major defects include all defects not falling within the limits specified in
3.7.1 and those classed as "unacceptable" in ASTM E 186, ASTM E 280, or ASTM E 446.
4. VERIFICATION
4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is
responsible for the performance of all inspection requirements (examinations and tests) as
specified herein. Except as otherwise specified in the contract, 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
that 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 document shall become a part of the contractor's overall inspection
system or quality program. The absence of any inspection requirements in this document 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 accept defective
material.
4.1.2 Material inspection. The contractor is responsible for ensuring that supplies and materials
are inspected for compliance with all the requirements specified herein and in applicable
referenced documents.
4.2 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.2.1).
b. Quality conformance inspection (see 4.2.2).
4.2.1 First article inspection. The first article inspection shall be performed on one of each type
of fitting when a first article is required (see 3.2 and 6.3). This inspection shall include the
examinations of 4.3 and the test of 4.4. The first article may be either a first production item or a
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