Table of Contents
0INTRODUCTION
1PURPOSE
2SCOPE
2.1Application
2.2Inspection
2.3InspectionbyAttributes
2.4UnitofProduct
3DEFINITIONSANDTERMINOLOGY
3.1Defect
3.2Nonconformity
3.3AcceptableQualityLevel(AQL)
3.4LimitingQuality(LQ)
3.5IsolatedLot
3.6MixedLot
4EXPRESSIONOFCONFORMANCE
4.1PercentNonconformingandNonconformitiesper
HundredUnity
4.2PercentNonconforming
4.3NonconformitiesperHundredUnits
5LIMITINGQUALITY(LQ),USEOFPLANS
5.1Use
5.2NoteontheMeaningofLQ
5.3Limitation
5.4SpecifyingLQs
5.5NominalLimitingQualityLevels
6SUBMISSIONOFPRODUCT
6.1LotorBatch
6.2FormationofLotsorBatches
6.2.1FormationofTypeBLotsorBatches
6.2.2FormationofTypeALotsorBatches
6.3LotorBatchSize
6.4PresentationofLotsorBatches
7ACCEPTANCEANDNONACCEPTANCE
7.1AcceptabilityoflotsorBatches
7.2NonconformingUnits
7.3SpecialReservationforDesignatedNonconformities
7.4ResubmittedLotsorBatches
8DRAWINGOFSAMPLES
8.1Sample
8.2Sampling
8.3TimeofSampling
8.4DoubleorMultipleSampling
9NORMALINSPECTION
9.1NormalInspection
10SAMPLINGPLANS
10.1SamplingPlan
10.2InspectionLevel
10.3CodeLetters
10.4ObtainingtheSamplingPlan
10.5TypesofSamplingPlans
11DETERMINATIONOFACCEPTABILITY
11.1PercentNonconformingInspection
11.1.1SingleSamplingPlan
11.1.2DoubleSamplingPlan
11.1.3MultipleSamplingPlan
11.2NonconformitiesperHundredUnitsInspection
11.3ZeroAcceptanceNumbers
11.4PreferredLQs
11.5NonstandardLQs
12SUPPLEMENTARYINFORMATION
12.1OperatingCharacteristicCurves
12.2ProcessAverage
13TABLES(DESCRIPTION,APPLICATION,USE)
13.1TableA1
13.2TableA2
13.3TablesB1-B10
13.4TableC1
13.5TablesC2andC3
13.6TableC4
TABLES
A1SingleSamplingPlansIndexedbyNominalLimiting
Quality(LQ)forIsolatedLotsfromMixedand
UncontrolledProcessSources
A2SummaryofPropertiesofLQPlansListedin
TableA1
B1-B10SingleSamplingPlansIndexedbyLQforIsolated
LotsfromaControlledProcess
B1SingleSamplingPlansforNominalLimitingQuality
0.5%
B2SingleSamplingPlansforNominalLimitingQuality
0.8%
B3SingleSamplingPlansforNominalLimitingQuality
1.25%
B4SingleSamplingPlansforNominalLimitingQuality
2.0%
B5SingleSamplingPlansforNominalLimitingQuality
3.15%
B6SingleSamplingPlansforNominalLimitingQuality
5.0%
B7SingleSamplingPlansforNominalLimitingQuality
8.0%
B8SingleSamplingPlansforNominalLimitingQuality
12.5%
B9SingleSamplingPlansforNominalLimitingQuality
20.0%
B10SingleSamplingPlansforNominalLimitingQuality
32.0%
C1RelationBetweenNominalLimitingQuality(LQ)and
LQ10,LQ5
C2EquivalentSampleSizesforSingle,Double,and
MultiplePlans
C3EquivalentAcceptanceNumbersforSingle,Double,
andMultiplePlans
C4ProbabilityofZeroNonconformingItemsinaLot Abstract
Sampling plans detailed are applicable, but not limited, to inspection of end items, components and raw materials, services, materials in process, supplies in storage, data or records and administrative procedures. They are primarily intended for the inspection of isolated lots or batches.
