MIL-DTL-52872D
4.3.2. Examination. Each UMS and each major component or transducer kit
furnished separately shall be examined for the major defects specified in
4.4.1. Presence of one or more defects shall be cause for rejection.
4.3.3.
Tests.
4.3.3.1.
Individual.
4.3.3.1.1. Complete UMS. Each complete UMS shall be subjected to the
tests marked "X" in column 2 of table II. Individual testing of major
components of the complete UMS is not required. Failure of any test shall be
cause for rejection.
4.3.3.1.2. Major components or transducer kits furnished separately. Each
major component or transducer kit when furnished separately shall be subjected
to the tests marked "X" in column 2 of tables III through V, as applicable.
Failure of any test shall be cause for rejection.
4.3.3.2.
Samples.
4.3.3.2.1. Complete UMS. Each sample UMS, selected in accordance with
4.3.1, shall be subjected to the tests marked "X" in column 3 of table II.
Individual testing of major components of the complete UMS is not required.
Unless otherwise specified, a sample UMS shall consist of one processor and
one transceiver. Failure of any test shall be cause for rejection.
4.3.3.2.2. Major components or transducer kits furnished separately. Each
sample major component or transducer kit when furnished separately, selected
in accordance with 4.3.1, shall be subjected to the tests marked "X" in column
3 of tables III through V, as applicable. Failure of any test shall be cause
for rejection.
4.4.
Inspection procedure.
4.4.1. Examination. The UMS and major components or transducer kits when
furnished separately shall be examined as specified herein for the following
major defects:
Major
101.
Components missing or not as specified (see 3.1, 3.1.1, and 3.1.3).
102.
Assembly not correct (see 3.1, 3.1.1, and 3.1.3).
103.
Materials not as specified (see 3.3).
104.
Materials are not resistant to corrosion and deterioration or
treated to be resistant to corrosion and deterioration for the
applicable storage and operating environments (see 3.3.1).
105.
Dissimilar metals as defined in MIL-STD-889 are not effectively
insulated from each other (see 3.3.2).
106.
Used, rebuilt, or remanufactured components, pieces, or parts
incorporated in the UMS or major components or transducer kits when
furnished separately (see 3.3.3).
107.
Interchangeability not as specified (see 3.8).
108.
Identification marking missing, incomplete or illegible (see 3.9).
109.
Workmanship not as specified (see 3.11).
110.
Welding not as specified (see 3.11.1).
4.4.2.
Tests.
4.4.2.1. Test conditions. Unless otherwise specified herein, tests shall
be conducted at prevailing ambient temperature and humidity conditions.
Unless otherwise specified herein, the UMS and major components or transducer
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