MIL-DTL-13623E
4.4 First article inspection. Unless otherwise specified (see 6.2), the Government shall select six
switches produced under the production contract for first article inspection. First article testing shall be
conducted by the contractor under Government surveillance, and shall consist of examination for
classification of defects specified in 4.5.2 and testing specified in table I in the order listed on table II.
Approval of the first article sample by the Government shall not relieve the contractor of his obligation to
supply regulator assemblies that are fully representative of those inspected as a first article sample. Any
changes or deviation of the production units from the first article sample shall be subject to the approval
of the contracting officer.
4.4.1 First article inspection failure. Test item deficiencies during, or as a result of, the first article
test, shall be cause for rejection of the items until evidence has been provided by the contractor that
corrective action has been taken to eliminate the deficiency. Any deficiency found during, or as a result of
the first article test, shall be evidence that all items already produced prior to completion of the first article
test are similarly deficient unless contrary evidence satisfactory to the contracting officer is furnished by
the contractor. Such deficiencies on all items shall be corrected by the contractor. The Government shall
not accept products until first article testing is completed to the satisfaction of the Government.
4.5 Conformance inspection.
4.5.1 Sampling.
4.5.1.1 Lot formation. An inspection lot shall consist of all the switches of one type and part number,
from an identifiable production period, from one manufacturer, submitted at one time for acceptance.
examination for the defects. Examination shall be visual, tactile, or by measurement with standard
inspection equipment.
4.5.3 Control tests. Control tests shall be conducted on two switches from each lot of 500 switches
consecutively produced, except that not more than four nor less than two switches shall be subjected to
control testing in any 90 day period. The control test samples shall be identified as to production period
and, after having been examined in accordance with 4.5.2, they shall be subjected to the control tests
specified in table I in the following order: 4.7.1 and again after each test, 4.7.8, 4.8.4, and 4.7.3.
4.5.4 Failure. Failure of any switches to pass any of the specified quality conformance or control
tests shall be cause for the Government to refuse acceptance of the production quantity represented, until
action taken by the contractor to correct defects and prevent recurrence has been approved by the
Government.
4.6 Methods of inspection.
by inspection of contractor records providing proof or certification that design, construction, processing,
and 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.
determined by examination. Examination shall be visual, tactile, or by measurement with standard
inspection equipment.
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