MIL-PRF-49367C (CR)
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 first article test samples shall be as specified in the
contract or purchase order (see 6.2.b) and shall be selected from the first
production lot.
4.2.1 FAT testing. Each objective 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 inspections shall be
cause for rejection of that objective and may be cause for failure 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
3.5.1
Flange focal distance
3.5.2
3.5.3
T-number
Veiling Glare
3.5.4
Linear distortion
3.5.5
Field of View
3.5.6
3.5.7
Relative illumination
3.5.8
Modulation transfer function
Reticle movement
3.5.9
Table II. Sample first article testing.
Requirement
Inspection
Paragraph
Temperature Extremes
3.6.1
Vibration
3.6.2
Altitude
3.6.3
Humidity
3.6.4
Immersion
3.6.5
High intensity shock
3.6.6
4.2.3 Disposition of FAT samples. After successful completion of the
FAT, the FAT samples shall be refurbished and delivered in accordance with the
contract or purchase order (see 6.2.b).
4.3 Conformance inspection. Requirements for conformance inspection
shall be a specified in the contract or purchase order (see 6.2.e). Unless
otherwise specified, all tests shall be performed at ambient temperature (see
3.10.3).
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