Boeing BAC 5435
Boeing specification for bearing installation and retention in commercial aircraft assemblies
Boeing BAC 5435 is a Boeing-specific process specification governing bearing installation and retention methods for commercial aircraft. It defines approved installation techniques, tooling requirements, inspection criteria, and documentation standards. Compliance with BAC 5435 is required for suppliers working on Boeing 737, 747, 767, 777, and 787 aircraft programs.
Overview
Boeing BAC 5435 establishes Boeing's requirements for bearing installation across commercial aircraft programs. This specification ensures consistent quality and reliability in bearing assemblies throughout Boeing's supply chain.
The specification covers press-fit installations, interference fits, retention methods, and post-installation inspection requirements. It references approved tooling lists and specifies operator qualification requirements.
American Precision Assembly is approved to perform bearing installation operations per BAC 5435, supporting multiple Boeing aircraft programs with precision assembly services.
Applications
Common aerospace applications where Boeing BAC 5435 is utilized.
- 1Boeing 737 flight control assemblies
- 2Boeing 777 landing gear components
- 3Boeing 787 composite structure bearings
- 4Wing mechanism pivot bearings
- 5Thrust reverser actuation bearings
Related Specifications
Standards, tooling, and supplier references commonly associated with Boeing BAC 5435.
ST 926A
Standard aerospace bearing installation tool for press-fit operations
ST 931
Precision arbor press fixture for controlled bearing installation force
ST 932
Standard bearing installation driver set for multiple bearing sizes
Boeing HP 12-11
Boeing approved supplier process reference for bearing installation operations
Boeing HP 12-17
Boeing hardware process specification for bearing staking and swaging operations
Related Part Numbers
Bearing part numbers commonly installed using Boeing BAC 5435.
FAQs
Frequently asked questions about Boeing BAC 5435.
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