SCREW (P/N NAS517-4-13) - New Surplus
P/N: NAS517-4-13
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 Surplus | 97 Available |
Product Description
The NAS517-4-13 is a close-tolerance, 100-degree flat head machine screw with cross-recess drive. Manufactured from alloy steel per NAS517 standard, the -4 size designation indicates 1/4-28 UNF threads. Designed for flush-mounted airframe panel assemblies where precise countersink alignment and shear strength are critical.
Installation requires proper countersink depth to achieve flush surface finish and adequate thread engagement per aircraft maintenance manual specifications. Common in structural repair and panel attachment applications across general aviation and commercial aircraft.
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 NAS517-4-13)?
The NAS517-4-13 is a close-tolerance, 100-degree flat head machine screw with cross-recess drive. Manufactured from alloy steel per NAS517 standard, the -4 size designation indicates 1/4-28 UNF threads.
Does the NAS517-4-13 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SCREW 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 NAS517-4-13 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 NAS517-4-13.
Can I order the NAS517-4-13 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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