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Scope

1.1 PurposeThis standard establishes lot or batch sampling plans and procedures for inspection by attributes using MIL-STD-105E as a basis for sampling a steady stream of lots indexed by AQL. The tabled calculations are based on the probabilistic theory of recurrent events when a series of lots or batches are produced in a stable environment.

1.2 ApplicationSampling plans designated in this publication are applicable, but not limited, to inspection of the following: (1) end items, (2) components and raw materials, (3) operations or services, (4) materials in process, (5) supplies in storage, (6) maintenance operations, (7) data or records, and (8) administrative procedures.

1.2.1 These plans are intended primarily to be used for a continuing series of lots or batches. The plans may also be used for the inspection of isolated lots or batches, but, in this latter case, the user is cautioned to consult the operating characteristic curves and Table VI or Table VII to find a plan which will yield the desired protection (see 4.11).

1.2.2 This publication should be used to guide the user in the development of an inspection strategy that provides a cost effective approach to attaining confidence in product compliance with contractual technical requirements. The user is warned of the assumed risks relative to the chosen sample size and AQL.

1.2.3 This standard provides the sampling plans of MIL-STD-105E in ASTM format for use by ASTM committees and others. It recognizes the continuing usage of MIL-STD-105 in industries supported by ASTM. The standard provides the fundamental basis for many existing sampling procedures currently in effect in laboratories and other facilities. As such, it provides a primary source for other AQL standards and for specifically engineered sampling plans developed by other standards bodies and individual facilities and appearing in various forms on the shelves of countless laboratories and operations. It replaces the AQL scheme previously incorporated in the Related Materials Section of Volume 14.02 of the Annual Book of ASTM Standards.

Keywords

acceptance quality level (AQL); average outgoing quality (AOQ); average outgoing quality limit (AOQL); classification of defects; critical defect; critical defective; defect; defective; defects per hundred units; inspection; inspection by attributes; lot or batch; lot or batch size; major defect; major defective; minor defect; minor defective; percent defective; process average; sample; sample size code letter; sampling plan; unit of product

To find similar documents by ASTM Volume:

14.01 (Healthcare Informatics)

14.02 (General Test Methods; Forensic Psychophysiology; Forensic Sciences; Terminology; Conformity Assessment; Statistical Methods; Nanotechnology; Forensic Engineering; Manufacture of Pharmaceutical Products)

To find similar documents by classification:

07.020 (Mathematics Application of statistical methods in quality assurance, see 03.120.30)

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