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Page Title:
Alternative inspection provisions |
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|  MIL-T-48558B(AR)
defects in Tables I and II shall constitute the minimum inspection
to be performed by the supplier after first article approval and
prior to government acceptance or rejection by item or lot.
4.3.3 Classification
of
characteristics. Quality
conformance examinations and tests are specified in the following
Classification of Characteristics paragraphs. The contractor's
quality program or detailed inspection system shall provide
assurance of compliance of all characteristics with the applicable
drawing and specification requirements utilizing as a minimum the
conformance criteria specified herein.
4.3.4 Alternative inspection provisions.
Aleternative
inspection procedures, methods, or equipment, such as statisticvall
process control, tool control, other types of sampling procedures,
etc., may be used by the contractor when they provide, as a
minimum, the level of quality assurance required by the provisions
specified herein. prior to applying such alternative procedures,
methods, or equipment, the contractor shall describe them in a
written proposal submitted to the procuring contracting officer
for evaluation and approval by the Government. When required, the
contractor shall demonstrate that the effectiveness of the
proposed alternative(s) is equal to or better than the specified
quality assurance provisions herein. In cases of dispute as to
whether the contractor's proposed alternative(s) provide equal
assurance, the provision of this specification shall apply. All
approved alternative inspection provisions shall be specifically
incorporated into the contractor's quality program or detailed
inspection system, as applicable.
TABLE I. Requirements
and
test
procedures.
Test
procedure
Requirement
No.
Characteristic
None
Critical:
Major:
100%
Inspection
4.8.13.1
3.8.1
101.
Sealing
4.8.13.2
3.8.2
Purging
102.
lo3.
3.14
4.9
Interchangeability
104.
4. 8.1 & 4.8.2
3.0
Orientation
4.7.4
Vibration B
3.7.4.2
105.
4.8.3
3.7.5
Post vibration -
106.
Collimation
Change
4.8.4
3.9
107.
Cleanliness
4.8.5
108.
3.10.1
Parallax
109.
4.8.6
3.10.2
Reticle
Accuracy
4.8.7
3.10.3
110.
Resolution
3.10.4
4.8.8
111.
Parallelism of Reticle
and
Image
9
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