P/N: 404-838
Category: General Aircraft Parts
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| Condition | Price | Stock |
|---|---|---|
| New Surplus | $1.25 | 20 Available |
The 404-838 is a self-locking hex nut for Piper aircraft airframe assemblies. This MS21042-style locknut secures threaded fastener joints in structural and system connections. The nut features a nylon insert that prevents vibration-induced loosening during flight and ground operations.
Install per Piper maintenance documentation and AC 43.13-1B torque specifications. Note: This part has been superseded by 404-532; verify current applicability in your aircraft's Illustrated Parts Catalog before installation.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The 404-838 is a self-locking hex nut for Piper aircraft airframe assemblies. This MS21042-style locknut secures threaded fastener joints in structural and system connections.
The 404-838 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
The 404-838 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.