BS 5760-4:1986

Foreword
Committees responsible
Guide
Section one. General
1.1 Scope
1.2 Definitions
Section two. The need for reliability specifications
2.1 Diversity of requirements
2.1.1 Originator and user requirements
2.1.2 Purchaser and supplier requirements
2.1.3 Marketing, design, manufacturing and
        construction requirements
2.2 Nature of the product
2.2.1 Manufactured products
2.2.2 Constructed products
2.2.3 End-items and components
2.2.4 Repairable and non-repairable items
2.2.5 Systems designed from existing components
2.2.6 Revolutionary and evolutionary designs
2.2.7 Development and modification of existing
        products
2.3 Nature of the market
2.3.1 Supplier specifies
2.3.2 Supplier specifies with purchaser's option to
        test
2.3.3 Supplier specifies with purchaser-specified
        modifications or features
2.3.4 Purchaser specifies
Section three. The specification of reliability
3.1 Introduction to reliability
3.1.1 Causes of unreliability
3.1.2 The traditional treatment of reliability
3.1.3 Elements of reliability clauses
3.1.4 Quantitative reliability clauses
3.1.5 Problems in applying the quantitative approach
3.1.6 The qualitative approach
3.1.7 Specification of reliability for systems
        containing software
3.2 Reliability clauses in a specification
3.2.1 The necessary clauses
3.2.2 Function of an item
3.2.3 Criteria for failure
3.2.4 Choice of a reliability characteristics
3.2.5 The required value of the reliability
        characteristic
3.2.6 Operating regime and conditions
3.2.7 Reliability assurance
3.2.8 Procedure for concessions and variations
3.2.9 Reliability clause content
3.3 The specification of reliability in practice
Section four. Reliability clauses in particular
specifications
4.1 Target specification: purpose and reliability of
      the product
4.2 Functional specification: product design and
      development
4.3 Product specification: manufacturing or
      construction
4.4 Material specification
4.4.1 Choice of materials
4.4.2 Selection of subcontracted material
4.5 Process specification: securing reliability
      characteristics
4.6 Inspection specification: inspection methods and
      corrective action
4.7 Test specification
4.7.1 Types of testing
4.7.2 Software reliability assessment
4.8 Acceptance specification: product acceptance
4.9 Transport specification: packaging, slinging and
      moving
4.10 Storage specification: avoidance of deterioration
4.11 Installation specification: avoidance of risks of
      damage
4.12 Use specification: operating instructions
4.13 Maintenance specification: maintenance policy and
      procedures
4.14 Disposal specification
Section five. Specification clauses relating to
reliability programme management and procedures
5.1 Project management: design, production and
      reliability programmes
5.2 Quality assurance and product reliability
5.2.1 The quality programme
5.2.2 Modifications to an approved design
Appendices
A. Example of a specification for a reliability
     programme
B. Specimen clauses for the specification of
     availability, reliability and maintainability for
     shipborne equipment
Figure
1. The reliability content of particular specifications

Guidance on the form and content of clauses concerned with the achievement of the reliability of products in the various types of specifications that cover the definition, use and maintenance of manufactured and constructed products. Information is also given on specifications related to the management of reliability programmes.