MIL-STD-1629 Revision A:1980

1 Scope
1.1 Scope
1.2 Application
1.3 Numbering system
1.4 Revisions
1.4.1 Standard
1.4.2 Tasks
1.5 Method of reference
2 Referenced documents
2.1 Issues of documents
3 Definitions
3.1 Terms
3.1.1 Contractor
3.1.2 Corrective action
3.1.3 Compensating provision
3.1.4 Criticality
3.1.5 Criticality analysis (CA)
3.1.6 Severity
3.1.7 Damage effects
3.1.7.1 Primary damage effects
3.1.7.2 Secondary damage effects
3.1.8 Damage mode
3.1.9 Damage mode and effects analysis (DMEA)
3.1.10 Detection mechanism
3.1.11 Environments
3.1.12 Failure cause
3.1.13 Failure effect
3.1.13.1 Local effect
3.1.13.2 Next higher level effect
3.1.13.3 End effect
3.1.14 Failure mode
3.1.15 Failure mode and effects analysis (FMEA)
3.1.16 FMECA-maintainability information
3.1.17 Indenture level
3.1.17.1 Initial indenture levels
3.1.17.2 Other indenture levels
3.1.18 Interfaces
3.1.19 Single failure point
3.1.20 Threat mechanism
3.1.21 Undetectable failure
4 General requirements
4.1 General
4.2 Implementation
4.3 FMECA planning
4.3.1 Worksheet formats
4.3.2 Ground rules and assumptions
4.3.3 Indenture level
4.3.4 Coding system
4.3.5 Failure definition
4.3.6 Coordination of effort
4.4 General procedures
4.4.1 Contributing information
4.4.1.1 Technical specifications and development plans
4.4.1.2 Trade-off study reports
4.4.1.3 Design data and drawings
4.4.1.4 Reliability data
4.4.2 FMEA process
4.4.3 Severity classification
4.5 FMECA report
4.5.1 Summary
4.5.2 Reliability critical item lists
4.5.2.1 Category I and Category II failure mode list
4.5.2.2 Single failure points list
5 Detailed requirements
5.1 Tasks
Tasks
101 Failure mode and effects analysis
102 Criticality analysis
103 FMECA-maintainability information
104 Damage mode and effects analysis
105 Failure mode, effects, and criticality
          analysis plan
Figures
Task 101
101.1 Example of a functional block diagram
101.2 Example of a reliability block diagram
101.3 Example of FMEA worksheet format
Task 102
102.1 Example of CA worksheet format
102.2 Example of criticality matrix
Task 103
103.1 Example of FMECA-maintainability information
          worksheet format
Task 104
104.1 Example of damage mode and effects analysis
          format
Appendix A. Application and tailoring guide
Paragraph
10 General
10.1 Scope
10.2 Tailoring requirements
10.3 Duplication of effort
20 Referenced documents (not applicable)
30 Definitions (not applicable)
40 General requirements
40.1 Ordering data
40.2 Data item descriptions (DID)
50 Application criteria
50.1 General considerations
50.1.1 Level of detail
50.1.2 Timing
50.1.3 Intended use
50.2 FMEA (task 101)
50.3 CA (task 102)
50.4 FMECA-maintainability information (task 103)
50.5 DMEA (task 104)
50.6 Criticality number (Cr) calculation example

Provides for performing failure mode, effects, and criticality analysis to evaluate and document potential impact of each hardware or functional failure on mission success, system and personnel safety, system performance, maintainability and maintenance requirements. Coverage includes definitions, worksheep formats, indenture level, coding system, reliability data, and technical specifications and development plans.