MIL-DTL-13791G
4.5 Conformance inspection.
4.5.1 Sampling.
4.5.1.1 Lot formation. An inspection lot shall consist of all the components, or distributors of one
type and part number, from an identifiable production period, from one manufacturer, submitted at one
time for acceptance.
4.5.1.2 Test equipment and inspection facilities. Test and measuring equipment and inspection
facilities of sufficient accuracy, quality, and quantity to permit performance of the required inspection
shall be used.
4.6 First article inspection. First article inspection, if not done by the manufacturer, shall be
performed at a laboratory acceptable to the procuring activity on sample units produced with equipment
and procedures used in production.
4.6.1 Samples for first article. Samples for first article shall be representative of the products
proposed to be furnished to this specification. Sampling shall be in accordance with 4.10.2.
4.6.2 First article inspection routine. All samples shall be subjected to first article testing in
accordance with table V. Sequence is manufacturing's discretion.
4.6.3 Acceptance of first article inspection. Required first article tests performed at the bulk
distributor level need not be repeated at the assembly level if documented approval has been obtained
from the procuring activity.
4.7 First article samples. Samples shall be representative of the construction workmanship,
components, and materials to be used during production. When a manufacturer is in continuous
production of the distributor from one contract to another, submission of additional first article samples
for a new contract may be waived at the discretion of the acquiring activity (see 6.2).
4.7.1 First article information. Upon completion of first article inspection, the Government activity
responsible for conducting the inspection program (see 6.2), shall report the results of the inspection,
with appropriate recommendation, to the contracting officer. Approval of the first article samples or the
waiving of first article inspection does not preclude the requirements for performing conformance
inspection.
4.7.1.1 Disposition of samples. First article samples shall be furnished to the Government as
directed by the contracting officer (see 6.2).
4.7.1.2 First article inspection failure. Deficiencies found during, or as a result of, first article
inspection shall be cause for rejection of the first article sample 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, first article inspection shall be evidence that all items already produced prior to
completion of first article inspection 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 inspection is completed to the
satisfaction of the Government.
4.7.1.3 Group A inspection. For manufacturers that have successfully passed first article
inspections and are continuously producing distributors to this specification, an on going inspections
shall consist of individual inspections (see table V) and sampling and periodic inspections (see table
Vl). If first article is waived due to prior successful first article inspection the individual inspections and
sampling and periodic inspections shall be the manufactures in house inspection procedures.
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