Douglas DPS 1.33
McDonnell Douglas (now Boeing) process specification for bearing installation
Douglas DPS 1.33 is a McDonnell Douglas (now Boeing) process specification for bearing installation. Originally developed for MD-80, MD-90, and DC-10 aircraft, it remains in use for legacy aircraft support and has been incorporated into Boeing specifications for heritage McDonnell Douglas platforms.
Overview
Douglas DPS 1.33 was developed by McDonnell Douglas for bearing installation on commercial and military aircraft. Following the Boeing merger, this specification continues to apply to heritage MD platforms.
The specification covers bearing press-fit installations, retention methods, and inspection requirements. DPS 1.33-2 is a related variant with updated requirements.
American Precision Assembly supports legacy McDonnell Douglas aircraft with DPS 1.33-compliant bearing installation services.
Applications
Common aerospace applications where Douglas DPS 1.33 is utilized.
- 1MD-80 series aircraft bearings
- 2MD-90 flight control bearings
- 3DC-10 legacy support bearings
- 4MD-11 freighter conversions
- 5C-17 Globemaster III bearings
Related Specifications
Standards, tooling, and supplier references commonly associated with Douglas DPS 1.33.
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
MD Helicopter MDP 12-11
MD Helicopters approved supplier specification for bearing installation in rotorcraft
Related Part Numbers
Bearing part numbers commonly installed using Douglas DPS 1.33.
FAQs
Frequently asked questions about Douglas DPS 1.33.
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