MIL‐DTL‐81543C
4.1 Classification of inspection. The examination and testing of the life raft container assemblies shall be
classified as follows:
(a) First article inspection. First article inspection consists of examinations and tests performed on
samples which are representative of the production item after award of a contract to determine that
the production item conforms to the requirement of this specification (see 3.1, 4.2, 4.2.1, and
4.2.1.1).
(b) Conformance inspection. Conformance inspection consists of examinations and tests performed on
individual products or lots to determine conformance of the products or lots with the requirements set
forth in this specification (see 4.3 through 4.3.1.2).
4.2 First article inspection. The first article inspection of the inflatable life raft container assemblies shall
consist of all the examinations and tests of this specification.
4.2.1 First article samples. Unless otherwise specified, as soon as practicable after the award of the contract
or order, the manufacturer shall submit two container assemblies of the type specified in the contract or order.
The samples shall be representative of the construction, workmanship, components, and materials to be used
during production. When a contractor is in continuous production of the type container specified, from
contract to contract, submission of additional first article samples on the new contract may be waived at the
discretion of the procuring activity (see 6.2). Approval of the first article inspection samples or the waiving of
the first article inspection does not preclude the requirements for performing the conformance inspection. The
first article inspection samples shall be furnished to the Government as directed by the contracting officer (see
6.2).
4.2.1.1 First article sample disposition. Upon completion of the first article inspection, recommendations and
comments pertinent for use in monitoring production will be forwarded by the Government activity responsible
for the inspection program (see 6.2) to the contracting officer. One of the approved first article samples will
be returned to the manufacturer for reference in monitoring production. The other sample will be consumed
or destroyed in the inspection program, and shall not be considered as a part of the quantity to be delivered
under the contract.
4.3 Conformance inspection. The sampling and inspection levels shall conform to ASQ Z1.4. The
conformance inspection shall consist of the following:
Visual examination
Dimensions
4.3.1 Sampling.
4.3.1.1 Inspection lot.
4.3.1.1.1 Container assembly. An inspection lot size shall be expressed in units of one container assembly
of one type made essentially under the same conditions and from the same materials and components. The
sample unit shall be one container assembly of one specific type.
4.3.1.1.2 Adhesive. An inspection lot size shall be expressed in units of one batch of adhesive. An
inspection lot shall consist of all the batches of the adhesive used by the manufacturer during one day's
production of the container assemblies (see 3.3.2). The sample unit shall be one batch of the adhesive used
during one day's production of the container assemblies.
4.3.1.2 Sampling for examinations and tests of the container assemblies. The sample size, examinations,
and tests required for the container assemblies shall be specified in Table I. However, the Acceptance
Quality Limit (AQL) shall be as specified in the contract.
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