Welcome to our new site version. Your web page bookmarks may have changed, please search for pages by title to update them. Having problems ? Please try clearing your web browser cache and hard-reloading your web page first before contacting our webmaster.

Def Stan 00-42: "Reliability and Maintainability Assurance Guides": Part No: 1: One-Shot Devices/Systems: Issue 2

[document] Submitted on 27 February, 2010 - 09:50
Keywords defence standard maintainability military standard one-shot one-shot device one-shot system reliability Reliability and Maintainability (R&M) United Kingdom (UK)
Standards groups

Ministry of Defence
Defence Standard 00-42 Part 1
Issue 2 Publication Date 15 February 2008

Reliability and Maintainability
(R&M) Assurance Activity
Part 1
One-Shot Devices/Systems

Metadata
Document identifier
DEF STAN 00-42 (PART 1)/2
Version
Issue 2
Date published
2008-02-15
Language of Attachment(s)
English
Document type
defence standard
Pages
30
Status (as a standard document)
Status
extant/interim
Replaced/Superseded by document(s)
Cancelled by
Amended by
File MIME type Size (KB) Language Download
DefStan-00-42-01000200.pdf application/pdf   254.8 KB English DOWNLOAD!
File attachments
Foreword

REVISION NOTE
This standard is raised to Defence Standard 00-42, Part 1 Issue 2 to update its content.

HISTORICAL RECORD
This standard supersedes the following:
Defence Standard 00-42, Part 1 Issue 1

Introduction

One-shot devices and one-shot systems, either electronic, mechanical or structural, by definition, cannot be
fully tested prior to use because testing in the full mode of operation usually results in their total or partial
destruction; or an irreversibility of a discrete part. One-shot devices for military applications are,
conventionally, stored for long periods, often in excess of 10 or 20 years and, during this time, may be
transported between and stored in different climatic conditions before being finally expended in the manner
for which they are designed.

Reliability can, therefore often only be demonstrated statistically by sampling some of the items and fully
testing these. This leads to: a need to identify discrete parts of production by batch or lot; a requirement to
apply sampling knowledge; and the necessity to apply viable probability theory to deduce correct statistical
inferences. The requirements of Def Stan 00-40, Part 1 in whole or tailored, can be made contractual during
the design and development stages of the acquisition cycle however it will need to be conducted with a
detailed understanding of the solution and it’s associated R&M specification.

Organisation(s)
Defines standard
Referenced standards and/or methodologies
Visit also
Replaces/Supersedes document(s)