MIL-DTL-83739D
4.5 First article acceptance inspection. First article acceptance inspection shall be performed at a laboratory
acceptable to the Government (see 3.2 and 6.3) on sample units produced with equipment and procedures normally
used in production.
4.5.1 Sample size. Four switches shall be subjected to first article inspection. Each switch with a different basic
design shall be first article accepted separately.
4.5.2 Inspection routine. The sample shall be subjected to the inspections specified in table II, in the order shown.
All sample units shall be subjected to the inspections of group I. The sample shall then be divided into two groups of
two units each. The sample units shall then be subjected only to the inspections indicated for the particular group.
TABLE II. First article inspection.
Examination or test
Requirement
Test
paragraph
paragraph
Group I (all samples)
Visual and mechanical examination - - - - - - - - - - - - - - - - - - - - - -
Marking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Switching rate - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.2
Primary input power - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.2
Transition time - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.3
Voltage standing wave ratio- - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.4
Isolation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.5
Insertion loss - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.6
RF power handling capability - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.7
Temperature shock- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Vibration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Group II (2 samples)
Salt Atmosphere - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Shock - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.14
Temperature-altitude- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.7.15
Group III (2 samples)
Humidity (applicable to type E only) - - - - - - - - - - - - - - - - - - - - - -
4.7.10
Hermetic seal (applicable to type H only) - - - - - - - - - - - - - - - - - -
4.7.11
Immersion (applicable to type I only) - - - - - - - - - - - - - - - - - - - - -
4.7.12
4.5.3 Failures. No failures shall be allowed for first article inspection; a failure shall be anything that does not meet
the requirements of the specification.
4.5.4 Reliability inspections. Seven switches shall be tested for reliability. Two of the seven switches shall
continue through a longevity test. Longevity test shall not be a criteria for first article acceptance of the switch.
Acceptance shall be judged by the responsible activity (see 6.3).
4.6 Conformance inspection.
4.6.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A.
4.6.1.1 Inspection lot. An inspection lot shall consist of all switches of the same PIN, produced under essentially
the same conditions, and offered for inspection at one time.
4.6.1.2 Group A inspection. Group A inspection shall consist of the examination and tests specified in table III, in
the order shown.
6
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business