MIL-DTL-83739D
3.6.15 Temperature-altitude. When switches are tested as specified in 4.7.15, the VSWR, isolation, insertion loss,
primary input power, switching rate, and transition time shall be as specified (see 3.1).
3.6.16 Reliability. Unless otherwise specified (see 3.1), switches shall provide a minimum acceptable mean-time-
between-failure (MTBF) of 10,000 hours.
3.7 Marking (see 3.1). Switches shall be marked with the manufacturer's code identification and the military PIN
(see 3.1 and 6.2). The date of manufacture of the item shall be marked on the part. The date code shall be as
specified in MIL-STD-1285.
a.
Switches shall be marked with the type of supply, the operating voltage, and the frequency.
b.
Input and output connections shall be identified in a logical manner.
The marking shall remain legible after completing all environmental tests.
3.8 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the
operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.9 Workmanship. Switches shall be processed in such a manner as to be uniform in quality and shall be free
from corrosion and other defects that will affect life, serviceability, or appearance.
4. VERIFICATION
4.1 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities of sufficient
accuracy, quality, and quantity to permit performance of the required inspection shall be established and maintained
by the supplier. The establishment and maintenance of a calibration system to control the accuracy of the measuring
and test equipment shall be in accordance with NCSL Z540.3 and ISO 10012.
4.2 Classification of inspections. The inspections specified herein are classified as follows:
a.
Materials inspection (see 4.3).
b.
First article acceptance inspection (see 4.5).
Conformance inspection (see 4.6).
c.
4.3 Materials inspection. Materials inspection shall consist of certification supported by verifying data that the
materials listed in table I, used in fabricating the switches, are in accordance with the applicable referenced
specifications or requirements prior to such fabrication.
TABLE I. Materials inspection.
Material
Requirement
Applicable documents
paragraph
Finishes - - - - - - - - - - - - - - - - - - - - - - - - -
MIL-DTL-5541, MIL-DTL-14072
Dissimilar metals- - - - - - - - - - - - - - - - - - -
MIL-STD-889
Fungus inert - - - - - - - - - - - - - - - - - - - -
(see 6.4)
Micro-electronic circuits - - - - - - - - - - - - - -
MIL-PRF-38535
Semiconductors - - - - - - - - - - - - - - - - - - -
MIL-PRF-19500
Printed circuit boards - - - - - - - - - - - - - - - -
MIL-PRF-31032
Connectors - - - - - - - - - - - - - - - - - - - - - - -
MIL-PRF-39012, MIL-DTL-3643,
MIL-DTL-83723
Pure tin - - - - - - - - - - - - - - - - - - - - - - - - - -
Prohibited (see 6.6)
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.
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