MIL-DTL-55041F
4.2 Classification of inspections. The inspections specified herein are classified as follows:
a.
Materials inspection (see 4.3).
b.
First article inspection (see 4.5).
c.
Conformance inspection (see 4.6).
4.3 Materials inspection. Materials inspection shall consist of verifying that the materials listed in table I, used in
fabricating the switches, are in accordance with the applicable referenced specifications or requirements prior to
fabrication.
TABLE I. Materials inspection.
Material
Requirement
Applicable
paragraph
documents
Aluminum alloy - - - - - - - - - - - - - - - - - - - - - - - -
ASTM-B221, ASTM-B209, SAE-AMS-
QQ-A-200
Corrosion-resisting steel - - - - - - - - - - - - - - - - -
ASTM-A240/A240M, ASTM-A666 and
ASTM-A693
Corrosion-resisting steel pipe - - - - - - - - - - - - - -
MIL-P-24691/3
Corrosion-resisting forging - - - - - - - - - - - - - - -
SAE-AMS-QQ-S-763
Copper alloy sheet- - - - - - - - - - - - - - - - - - - - - -
ASTM-B36/B36M, ASTM-B121/B121M
Aluminum alloy casting - - - - - - - - - - - - - - - - - -
ASTM-B85/B85, ASTM-B108/108M,
ASTM-B26/B26M
MIL-STD-889
Dissimilar metals - - - - - - - - - - - - - - - - - - - - - - -
See 6.4.12
Fungus - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SAE-AS50151, ML-DTL-38999,
Connectors - - - - - - - - - - - - - - - - - - - - - - - - - - -
MIL-DTL-83723
Waveguide flanges - - - - - - - - - - - - - - - - - - - - -
MIL-DTL-3922
Finishes - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ASME B46.1, MIL-DTL-5541, MIL-PRF-
23377, MIL-PRF-22750, FED-STD-595
4.4 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance with
the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202.
4.4.1 Test method deviation. Deviation from the specified test methods are allowed provided that it is
demonstrated to the acquiring activity or their agent that such deviations in no way relax the requirements of this
specification and that they are approved before testing is performed. For proposed test deviations, test method
comparative error analysis shall be made available to the acquiring activity or their agent for review and approval.
4.5 First article inspection. First article inspection shall be performed at a laboratory acceptable to the Government
on sample units produced with equipment and procedures normally used in production. First article approval
obtained for each group (see Appendix A) shall constitute first article approval for all switches with characteristics for
that group.
4.5.1 Sample size. The sample size shall be four.
4.5.2 Inspection routine. The sample shall be subjected to the first article inspection specified in table II, in the
order shown. All units shall be subjected to the inspection of group I. The sample shall then be divided into two
groups of two units each (see 4.5.1). The sample units shall then be subjected only to the inspections indicated for
their particular group.
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