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Table 2. Attributes sampling inspection. |
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|  MIL-F-63446B (AK)
TABLE II. Attributes sampling inspection.
b. Alternative quality conformance provisions. Unless otherwise specified herein or
provided for in the contract, alternative quality conformance procedures, methods or equipment,
such as statistical 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 cited herein. Prior to applying such alternative procedures, methods or equipment
the contractor shall, describe them in a written proposal submitted to the Government for
evaluation (see 6.6). When required, the contractor shall demonstrate that the effectiveness of
each proposed alternative is equal to or better than the specified quality assurance provision(s)
herein. In cases of dispute as to whether the contractor's proposed alternative(s) provides
equivalent assurance, the provisions of this specification shall apply. All approved alternative
provisions shall be specifically incorporated into the contractor's quality program or detailed
inspection system, as applicable.
c. Sampling plans for fuze casting. Machined dimensions shall be inspected in accordance
with Table II above, using the inspection levels stated in the Classification of Characteristics
paragraphs. The sample size for cast dimensions shall be reduced and shall be equal to a minimum
of 0.1 % of a production lot per cavity. For cast sampling, accept/reject is 0/ 1 respectively.
inspection of the firing pin bore for porosity shall be 100%. For inspection of porosity at
locations other than the firing pin bore, use the S-4 inspection level of Table II.
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