MIL-W-47091A (MI)
4.3 Sampling. For purposes of inspection, sampling shall be performed in accordance with table III.
TABLE III. Sampling plan.
Lot Size |
Sample Size |
2 to 3 4 to 25 26 to 50 51 to 90 91 to 150 151 to 280 281 to 500 501 to 1200 1201 to 3200 3201 to 10,000 10,001 and over |
100% 3 5 6 7 10 11 15 18 22 29 |
In all cases: Acceptance number is ZERO Rejection number is ONE |
|
4.4 Inspection. Inspection of the welded parts shall be by visual examination to determine compliance with the requirements of this specification. At the discretion of the Government Inspector, sample weldments representative of the production work of any welder may be required to permit evaluation of compliance with the requirements of this specification. Samples of fillet welds submitted for determining penetration shall be cross-sectioned, polished and etched by a method acceptable to the Government inspector. In addition, magnetic particle inspection shall be conducted on such welds and by such methods specified on the design drawing.
5. PREPARATION FOR DELIVERY This section is not applicable to this specification.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
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