MIL-DTL-9415B
4.3 First article inspection.
4.3.1 First article test samples. When specified in the contract, a minimum of 10 each Dynamic Loudspeaker
LS-184A/AIC-10 shall be subjected by the contractor to the first article tests specified herein.
4.3.1.1 Additional samples. When specified in the contract, an additional 5 each Dynamic Loudspeaker
LS-184A/AIC-10 shall be submitted to the procuring activity, together with a response-frequency characteristic for
each of the 5 samples. The samples shall be accompanied by adequate identifying information including the
Government order number involved (File No. in contract), name and address of prime contractor, and name and
address of manufacturer. The samples and data will be used by the procuring activity for:
a. Calibration check of the contractor's test equipment.
b. Review of the mechanical design.
c. Performance of any tests which may be deemed necessary by mutual agreement between the procuring
activity and the contractor after a review of contractor's test report.
d. Government reference purposes.
4.3.2 First article test program. Prior to any formal testing of the first article samples, the contractor shall submit a
draft of his proposed test program to the procuring activity for approval. The draft of the proposed test program shall
include:
a. A list of all tests to be performed and complete procedures for each test, including block or schematic
diagrams.
b. A list of test equipment to be used, identified by manufacturer and type number.
c. Copies of the data record forms to be used in recording the test data.
4.3.3 First article test report. When specified in the contract, after completion of the first article tests by the
contractor, three copies of the complete report shall be furnished, as specified in the contract, and shall include the
name and grade of all materials used in Dynamic Loudspeaker LS-184A/AIC-10.
4.3.4 First article test routine. First article samples shall be subjected to the tests listed in table IX in the quantities
shown and any other tests deemed necessary by the procuring activity to determine that Dynamic Loudspeaker LS-
184A/AIC-10 meets all the requirements of this specification.
4.4 Conformance inspection. Conformance tests shall consist of the following.
a. Individual tests.
b. Sampling tests.
4.4.1 Individual tests. Each Dynamic Loudspeaker LS-184A/AIC-10 shall be subjected to the individual tests listed
in table IX. In addition, each Dynamic Loudspeaker LS-184A/AIC-10 shall be subjected to any other tests agreed by
the procuring activity and the contractor to determine compliance with the requirements of this specification.
4.4.2 Sampling tests. Unless otherwise specified, one Dynamic Loudspeaker LS-184A/AIC-10 shall be selected at
random from each number of 100 or fraction thereof on the order, which have passed individual tests. The selected
Dynamic Loudspeaker LS-184A/AIC-10 and its component parts shall be subjected to all the sampling tests listed in
table VIII, and to any other tests deemed necessary by mutual agreement of the procuring activity and the contractor
to determine conformance to the requirements of this specification.
4.4.2.1 Rejection and retest. When one or more items fail to meet the specification, acceptance of all items will be
withheld until the extent and cause of failure are determined. After corrections have been made, all necessary tests
shall be repeated.
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