BOLT, CROWNED HEX, MACHINE (P/N nas428h4a14) - New
P/N: nas428h4a14
Category: Fasteners & Hardware
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.
Does the nas428h4a14 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The BOLT, CROWNED HEX, MACHINE conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the nas428h4a14 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the nas428h4a14.
Can I order the nas428h4a14 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT, CROWNED HEX, MACHINE is available in: New. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.