MIL-DTL-24705B(SH)
TABLE II. Qualification inspection - insert material.
Sample specimens
Inspection
Requirement
Test method
1
2
3
4
5
Visual and dimensional examination
X
X
X
X
X
Durometer
X
Compression
X
Expansion
X
Fluid immersion
X
IR signature
X
4.3.1 Qualification samples. A manufacturer seeking qualification shall manufacture and test the required
samples (see 3.1) for which qualification is sought. The samples to be tested shall be produced with the same
processes, materials, and equipment normally used in production.
4.3.1.1 Multiple cable penetrator test specimens. The number of multiple cable penetrator test specimens (see
3.1) of each frame material for which qualification is sought, shall be tested as specified in table I. If a manufacturer
produces only insert material items (for assembly in a frame produced by others) they shall be assembled in a frame
and tested as specified in table I.
4.3.1.1.1 Test specimen configuration. The test specimen shall consist of a multiple cable penetrator frame, the
appropriate insert material items and accessories, loaded with cables conforming to MIL-DTL-24643 as specified in
the applicable specification sheet (see 3.1). The specified cables shall be approximately 1 meter in length. Using
the test stand specified in 4.6.1 or an approved equivalent, the cables shall be routed through the penetrator frame so
that approximately 0.75 meter of cable shall extend from the side of the frame that will not be directly exposed to
the fire or water during testing.
4.3.1.2 Insert material sample. The sample insert material for which qualification is sought, and the quantity of
samples required, shall be as specified herein and on the applicable specification sheet (see 3.1). The insert material
shall be tested as specified in table II.
4.3.2 Failure. Failure of any sample to meet the requirements specified herein shall be cause for refusal to
grant qualification.
4.3.3 Retention of qualification. Retention qualification is required on an annual basis with the initial retention
qualification date established by NAVSEA or qualifying activity. NAVSEA or qualifying activity may require
certification or testing or both. At a minimum, certification is required that equipment and facilities, processes,
design and materials have not changed since qualification unless such change has been approved by NAVSEA.
Testing shall be in accordance with conformance inspections (see table III) and Group D inspections.
4.3.4 Change approval. A change in material, production processes or production equipment used in the
manufacture of multiple cable penetrators which have been qualified shall require written approval of NAVSEA.
Incorporation of any changes which have not been so approved shall require requalification of frame, accessory, or
insert material item in question.
4.4 Conformance inspection. Conformance inspection shall consist of the examinations and tests described in
table III.
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