ARINC 404A : 1974

CHAPTER 1 - GENERAL CONSIDERATIONS
CHAPTER 2 - ATR SYSTEM MECHANICAL DESIGN
CHAPTER 3 - ELECTRICAL CONNECTOR USAGE
CHAPTER 4 - STANDARDIZED SPACING OF ADJACENT EQUIPMENT
            UNITS
CHAPTER 5 - EQUIPMENT COOLING AND DESIGN
CHAPTER 6 - ELECTRICAL GUIDANCE FOR EQUIPMENT CASE AND
            CHASSIS GROUND
ATTACHMENT 1 - STANDARD ATR CASE DIMENSIONS
ATTACHMENT 2 - HOOK DETAILS AND INSTALLATION
ATTACHMENT 3 - THUMBSCREW DETAILS AND INSTALLATIONS
ATTACHMENT 4 - LEVER LATCH HANDLE INSTALLATIONS - TYPE
                'B' HOLD-DOWN
ATTACHMENT 5 - ADJUSTABLE COMPENSATING KEEPER INSTALLATION
ATTACHMENT 6 - BASIC DIMENSIONS OF INSERTER/EXTRACTOR
ATTACHMENT 7 - CONNECTOR LOCATIONS
ATTACHMENT 8 - SPRING LOADED HOLD-DOWNS
ATTACHMENT 9 - UNIT COOLING AIR OPENINGS
ATTACHMENT 10 - WEIGHT AND CENTER OF GRAVITY LIMITS
ATTACHMENT 11 - STANDARD ATR TRAY AND SEAL DIMENSIONS
ATTACHMENT 12 - STANDARD SPACING OF ADJACENT EQUIPMENT UNITS
                 (FRONT VIEW)
ATTACHMENT 13 - CONNECTOR ENGAGING POSITION MIL-C-81659
ATTACHMENT 14 - MIL-C-81659 CONNECTOR CONFIGURATIONS
ATTACHMENT 15 - INDEX PIN CODING
ATTACHMENT 16 - CRITERIA FOR CONNECTOR SELECTION
ATTACHMENT 17 - PROCEDURES FOR APPRAISAL OF EQUIPMENT
                COOLING
APPENDIX 1 - RE-DEFINITION OF THE ACRONYM 'ATR RACKING'
              TO MEAN 'AUSTIN TRUMBULL RADIO RACKING'
APPENDIX 2 - ELECTRICAL BONDING PRACTICES
APPENDIX 3 - CHRONOLOGY OF THE ARINC RACKING SYSTEM
APPENDIX 4 - HISTORICAL CHRONOLOGY OF ARINC CONNECTORS
APPENDIX 5 - EXCERPTS FROM MIL-C-81659A AND RELATED
              DOCUMENTS
APPENDIX 6 - USAGE OF DPA & DPD CONNECTORS
APPENDIX 7 - ELFIN MODULES
APPENDIX 8 - KNOWN SOURCES OF 404A HARDWARE
APPENDIX 9 - INSTALLATION DELIBERATION CHARTS
APPENDIX 10 - DESIGN GUIDANCE FOR AVIONICS COOLING
APPENDIX 11 - EQUIPMENT/AIRCRAFT INTERFACE DATA
APPENDIX 12 - TRAY AND BACKPLATE DEFLECTION STUDY
APPENDIX 13 - NIC THERMAL MANAGEMENT SUBCOMMITTEE REPORT
APPENDIX 14 - POSSIBLE FUTURE ADDITIONS TO MIL-C-81659 AND
              3157
APPENDIX 15 - COMMENTARY ON USE OF MIL-C-81659 AND RELATED
              DOCUMENTS
APPENDIX 16 - SOME ARINC STAFF THOUGHTS ON COOLING
              PROBLEMS IN THE REAL WORLD OF COMMERCIAL
              AVIONICS
APPENDIX 17 - CHRONOLOGY AND BIBLIOGRAPHY OF THE AEEC
              ARINC PROJECT 404A

Gives a system of modularized equipment dimensions plus methods of attachment to mating mounting for the use of avionic equipment designers.