BOLT, CROWNED HEX, MACHINE (P/N nas428h4a14) - New
P/N: nas428h4a14
Category: Bolts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New | 2 Available |
Product Description
The NAS428H4A14 is a crowned hex machine bolt conforming to NAS428 aerospace fastener standards. Manufactured from steel with 1/4-28 fine threads, this bolt features a low-profile hexagonal head design for compact installations in airframe assemblies. The crowned hex head provides positive engagement with standard wrenches while minimizing protrusion in space-constrained applications.
Commonly used in airframe brackets, structural connections, and control surface attachments where reliable threaded fastening is required. Installation and torque specifications follow NAS428 standards and applicable aircraft maintenance manuals.
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.
Frequently Asked Questions
What is the BOLT, CROWNED HEX, MACHINE (P/N nas428h4a14)?
The NAS428H4A14 is a crowned hex machine bolt conforming to NAS428 aerospace fastener standards. Manufactured from steel with 1/4-28 fine threads, this bolt features a low-profile hexagonal head design for compact installations in airframe assemblies.
What conditions is the nas428h4a14 available in?
The nas428h4a14 is currently available in the following conditions: New. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the nas428h4a14?
The nas428h4a14 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.
Do you offer expedited shipping for the nas428h4a14?
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.
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