MIL-DTL-39000C
4.5.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in table II, in the order
shown.
TABLE II. Group A inspection.
Requirement
Test method
Inspection
paragraph
paragraph
Visual and mechanical inspection
3.1,
Surface roughness
4.5.1.2.1 Sampling plan. Statistical sampling and inspection shall be performed on an inspection lot basis with a
random sample of waveguide flanges selected in accordance with table III. No failures shall be allowed.
TABLE III. Group A Sampling Plan.
Lot size
Sample size
1-
13
100 percent
14- 150
13
151- 280
20
281- 500
29
501- 1,200
34
1,201- 3,200
42
3,201-10,000
50
10,001-75,000
60
4.5.1.2.2 Rejected lots. If an inspection lot is rejected, the contractor may rework it to correct the defects, or
screen out the defective units, and resubmit for re-inspection. Such lots shall be separate from new lots, and shall be
clearly identified as re-inspected lots.
4.6 Methods of inspection.
4.6.1 Visual and mechanical inspection. Waveguide flanges and associated components shall be examined to
verify that the design, construction, physical dimensions, marking, and workmanship are in accordance with the
4.6.2 Surface roughness. Surface roughness shall be determined in accordance with ASME-B46.1 (see 3.4).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel
need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging
requirements are maintained by the Inventory Control Point's packaging activities within the Military Service or
Defense Agency, or within the military service's system commands. Packaging data retrieval is available from the
managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting
the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. Waveguide flanges covered by this specification are intended for use as coupling devices for
waveguides and waveguide components used in military electronic equipment and systems.
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