MIL-PRF-49368C (CR)
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 (see 6.2.f) first article testing shall be performed by the contractor.
The quantity of initial production test samples shall be as specified in the
contract or purchase order (see 6.2.b).
4.2.1 FAT Testing. Each eyepiece assembly in the FAT lot shall be
subjected to the inspections of Table I. Samples selected from the lot shall
be subjected to the inspections of Table II. Sample size shall be as
specified in the contract or purchase order (see 6.2.b). Failure of any
inspection shall be cause for rejection of that eyepiece assembly and may be
cause for rejection of the FAT. Inspections may be performed in any order
except for Immersion, which shall follow temperature extremes and temperature
shock.
Table I Unit first article testing.
Requirement
Inspection
Paragraph
Effective focal length
3.6.1
Flange focal length
3.6.2
3.6.3
Field curvature
Linear distortion
3.6.4
Exit pupil
3.6.5
Transmission
3.6.6
3.6.7
Resolution
Diopter adjustment
3.6.8
Diopter range
3.6.9
Table II Sample first article testing.
Requirement
Inspection
Paragraph
Temperature Extremes
3.7.1
Vibration
3.7.2
Altitude
3.7.3
Humidity
3.7.4
Immersion
3.7.5
High intensity shock
3.7.6
4.2.1 Disposition of FAT samples. Disposition of FAT samples shall be
as specified in the contract or purchase order (see 6.2.b).
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