1916抽樣檢驗英文版(PDF 33頁)

Department of Defense (DoD).
2. Beneficial comments (recommendations, additions, deletions) and any pertinent data
which may be of use in improving this document should be addressed to: Commander, U.S.
Army Armament Research, Development and Engineering Center, ATTN: AMSTA-AR-EDE-S,
Picatinny Arsenal, NJ 07806-5000, by using the self-addressed Standardization Document
Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
3. DoD procurement practices encourage industry innovation and provide flexibility to
achieve the benefits of continuous improvement.
4. There is an evolving industrial product quality philosophy that recognizes the need for
quality policy changes that will provide defense contractors with opportunities and incentives
toward improvement of product quality and cooperative relationships between the contractor and
the Government.
5. Process controls and statistical control methods are the preferable means of preventing
nonconformances, controlling quality, and generating information for improvement. An
effective process control system may also be used to provide information to assess the quality of
deliverables submitted for acceptance. Suppliers are encouraged to use process control and
statistical control procedures for their internal control and to submit effective process control
procedures in lieu of prescribed sampling requirements to the Government for approval.
6. Sampling inspection by itself is an inefficient industrial practice for demonstrating
conformance to the requirements of a contract and its technical data package. The application of
sampling plans for acceptance involves both consumer and producer risks; and increased
sampling is one way of reducing these risks, but it also increases costs. Suppliers can reduce
risks by employing efficient processes with appropriate process controls. To the extent that such
practices are employed and are effective, risk is controlled and, consequently, inspection and
testing can be reduced.
7. The following points provide the basis for this standard:
a. Contractors are required to submit deliverables that conform to requirements and to
generate and maintain sufficient evidence of conformance.
b. Contractors are responsible for establishing their own manufacturing and process
controls to produce results in accordance with requirements.
c. Contractors are expected to use recognized prevention practices such as process
controls and statistical techniques.
8. This standard also provides a set of sampling plans and procedures for planning and
conducting inspections to assess quality and conformance to contract requirements. This
standard complies with the DoD policy of eliminating acceptable quality levels (AQL's) and
associated practices within specifications.
..............................