MIL-PRF-49150D (CR)
3.10.4 Degradation of performance. Degradation of performance
is defined as failure to operate in accordance with the performance
requirements of this specification. For post-environmental test
verification, degradation of performance shall be defined as failure
to meet the performance requirements of this specification.
3.10.5 "g". "g" is defined as an acceleration or deceleration
of 32.17 feet per second per second.
4.
VERIFICATION
4.1 Classification of inspection. Inspection shall be
classified as follows:
a. First article testing (4.2).
b. Conformance inspection (4.3)
4.2 First article testing. When specified in the contract or
purchase order, first article testing shall be performed by the
contractor. The quantity of first article test samples shall be as
specified in the contract or purchase order (see 6.2.c) and shall be
selected from the first production lot.
4.2.1 FAT testing. Each entrance assembly in the first
production lot shall be subjected to the tests of Table I. After
completion of this testing, entrance assemblies selected as samples
for FAT testing shall be subjected to the tests of Table II which may
be performed in any order with the exception that immersion is last.
Failure of any test shall be cause for rejection of that entrance
assembly and may be cause for rejection of the FAT.
TABLE I.
Unit first article testing.
Requirement
Inspection
Paragraph
3.5.1
Angular deflection
3.5.2
Resolution
3.5.3
Transmission
Table II Sample first article testing.
Requirement
Inspection
Paragraph
Temperature Extremes
3.6.1
Humidity
3.6.2
Immersion
3.6.3
Vibration
3.6.4
Shock
3.6.5
4.2.2.1 Disposition of FAT samples. Disposition of FAT samples
shall be as specified in the contract or purchase order.
4.3 Conformance inspection. Requirements for conformance
inspection shall be as specified in the contract or purchase order
(see 6.2.f). Unless otherwise specified all tests shall be performed
at ambient temperature (see 3.12.2).
5
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