SCREW-100 DEG. CLOSE TOLERANCE FLA (P/N nas517-4-4) - New Surplus
P/N: nas517-4-4
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 | 170 Available |
Product Description
The NAS517-4-4 is a 100-degree flush head machine screw with close-tolerance specifications for precision aerospace applications. This screw seats flush with countersunk surfaces, eliminating protrusions on aerodynamic skin and structural assemblies. Manufactured to NAS517 standards, it provides the tight fit required for skin-to-structure joints and shear connections on aircraft.
Installation requires carefully reamed 100-degree countersinks and torque application per aircraft maintenance manuals. Commonly used where flush aerodynamic surfaces and structural integrity are critical.
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-100 DEG. CLOSE TOLERANCE FLA (P/N nas517-4-4)?
The NAS517-4-4 is a 100-degree flush head machine screw with close-tolerance specifications for precision aerospace applications. This screw seats flush with countersunk surfaces, eliminating protrusions on aerodynamic skin and structural assemblies.
Does the nas517-4-4 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SCREW-100 DEG. CLOSE TOLERANCE FLA 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 nas517-4-4 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 nas517-4-4.
Can I order the nas517-4-4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW-100 DEG. CLOSE TOLERANCE FLA is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.