MIL-STD-1916 DOD Preferred Methods for Acceptance of ProductThe purpose of this standard is to encourage defense contractors and other commercial organizations supplying goods and services to the U.S. Government to submit efficient and effective process control prevention procedures in place of prescribed sampling requirements.

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MIL-STD-1916

APPENDIX

EXAMPLES OF SAMPLING PLAN USE

10. SCOPE

10.1 General. This Appendix is not a mandatory part of the standard. The information contained herein is intended for guidance only.

10.2 Purpose. This Appendix illustrates how to implement the three types of sampling plans described in paragraphs 4 and 5 of this standard. The examples explain how to use the four tables, how to apply the switching rules, and how to do some of the requisite calculations. In addition, this Appendix explains how the contractor can modify Table IV to some extent by calculating and using other "i" and "f" values.

20. APPLICABLE DOCUMENTS. This section is not applicable to this Appendix.

30. EXAMPLES

30.1 Attributes sampling. Wing nuts are to be inspected for missing thread. A

verification level IV (VL-IV) has been specified. The producer chooses to use attributes

Lot #	Lot Size	code Letter	Sample Size	Non- conform- ances	Lot Disposition	Stage T/N/R	Action
1	5000	D	160	2	Withhold Acceptance	N	Begin with normal sampling, VL-IV.
2	900	A	80	0	Accept	N
3	3000	c	128	1	Withhold Acceptance	N	2 lots out of 5 fail to pass. Switch to tightened VL-IV. check process.
4	1000	B	256	0	Accept	T
5	1000	B	256	0	Accept	T
6	900	A	192	0	Accept	T
7	2000	c	320	0	Accept	T
8	2500	c	320	0	Accept	T	Process corrected and 5 consecutive lots accepted. Switch to normal VL-IV.
9	3000	c	128	0	Accept	N
10	5000	D	160	0	Accept	N

FIGURE 1. Attributes sampling inspection log.