ST 934
Aerospace bearing swaging tool for controlled material displacement retention
ST 934 is an aerospace bearing swaging tool designed for controlled material displacement bearing retention. It creates precise swage patterns that secure bearings in housings without damaging the bearing or housing material. ST 934 is required by multiple aerospace OEM specifications.
Overview
ST 934 is a precision swaging tool for aerospace bearing retention. It creates controlled material displacement to permanently secure bearings in housings.
The tool is designed for consistent swage depth, width, and profile as required by aerospace specifications.
American Precision Assembly uses calibrated ST 934 tooling for bearing swaging operations across defense and commercial aerospace programs.
Applications
Common aerospace applications where ST 934 is utilized.
- 1Bearing swaging operations
- 2Permanent bearing retention
- 3Flight-critical bearing assemblies
- 4Actuator bearing retention
- 5Structural bearing mounting
Related Specifications
Standards, tooling, and supplier references commonly associated with ST 934.
NAS0331 Method 200
National Aerospace Standard for bearing retention using controlled swaging techniques
Lockheed LMA-PB023
Lockheed Martin process specification for precision bearing installation in defense systems
Sikorsky SS8743
Sikorsky process specification for bearing installation in helicopter assemblies
Boeing HP 12-17
Boeing hardware process specification for bearing staking and swaging operations
MD Helicopter MDP 12-11
MD Helicopters approved supplier specification for bearing installation in rotorcraft
Related Part Numbers
Bearing part numbers commonly installed using ST 934.
FAQs
Frequently asked questions about ST 934.

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Contact Information
Huntington Beach, CA 92649