SCREW (P/N nas517-4-5) - New Surplus
P/N: nas517-4-5
Category: Screws
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 Surplus | 804 Available |
Product Description
The NAS517-4-5 is a 1/4-28 UNF Class 3A close-tolerance flat head machine screw with a 100° countersunk head. Manufactured from alloy steel, this National Aerospace Standard fastener provides flush fastening in aircraft skin panels and structural assemblies. The cross-recess drive accepts standard Phillips drivers for installation into 100° countersink holes.
Commonly used throughout airframe construction where flush surfaces are required for aerodynamic integrity. Installation follows aircraft maintenance manual specifications and engineering drawing torque requirements.
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 SCREW (P/N nas517-4-5)?
The NAS517-4-5 is a 1/4-28 UNF Class 3A close-tolerance flat head machine screw with a 100° countersunk head. Manufactured from alloy steel, this National Aerospace Standard fastener provides flush fastening in aircraft skin panels and structural assemblies.
What conditions is the nas517-4-5 available in?
The nas517-4-5 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the nas517-4-5?
The nas517-4-5 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 nas517-4-5?
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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