MIL-DTL-62164E(AT)
4.4 Examination.
4.4.1 Sampling. Samples from an inspection lot for conformance inspection shall be
selected in accordance with ANSI/ASQC Z1.4. Any redesign or modification of the contractor s
standard to comply with specified requirements shall receive particular attention for adequacy
and suitability. This element of inspection shall encompass all visual examinations and
dimensional measurements. Noncompliance with any specified requirement or presence of one
or more defects preventing or lessening maximum efficiency shall constitute cause for rejection.
4.5 Method of inspection.
4.5.1 Materials. Conformance to 3.2 shall be determined by inspection of contractor
records providing proof or certification that materials conform to requirements. Applicable
records shall include drawings, specifications, design data, receiving inspection records,
processing and quality control standards, vendor catalogs and certifications, industry standards,
test reports and rating data.
4.5.1.1 Corrosion. To determine conformance to 3.2.2 and 3.6, the cyclic corrosion test
per GM 9540P Method A or B (Method A is for uncoated metals, Method B for coated metals)
or equivalent such as the SAE J2334 shall be performed on that unit or part for 120 cycles and
measured to the grade level representing the number of years of specified service life as specified
in table IV. The rust grade criterion is described in ASTM D610. All test panels and component
parts shall be scribed per ASTM D 3359 prior to testing. Alternative validation test methods
must be approved by the Government prior to fielding or manufacturing the system.
Table IV. Service life by grade.
<10 Years 10 Years - 15 Years 20 Years
Specified
Service Life
15 Years
20 Years
25 Years
Criteria for 120 Grade 5
Grade 6
Grade 7
Grade 8
Cycles of
GM-9540P or
SAE J2334
4.5.2 Defects. Conformance to 3.3 thru 3.4.3 and 3.6 thru 3.10 shall be determined by
examination for the defects listed in table III. Examination shall be visual, tactile, or by
measurement with SIE.
4.5.3 Performance. Conditions for tests hereunder shall be as specified in 3.5.
4.5.3.1 Environmental. To determine conformance to high and low temperature
operation of 3.5.1, the semitrailer shall be tested as required in MIL-HDBK-210.
4.5.3.2 Road speed. To determine conformance to 3.5.2, the semitrailer shall meet the
specified requirement.
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