P/N: nas517-3-20
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 526 Available |
The NAS517-3-20 is a flat countersunk machine screw built to NAS517 aerospace standard. This close-tolerance fastener features a cross-recess drive for controlled torque application and flush head seating in panel joints and airframe assemblies. Steel construction provides strength for structural and non-structural panel fastening where flush profiles are required.
Install per aircraft maintenance manual specifications, verifying length and thread class against the Illustrated Parts Catalog before use. Suitable for general aviation and commercial aircraft maintenance applications.
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.
The NAS517-3-20 is a flat countersunk machine screw built to NAS517 aerospace standard. This close-tolerance fastener features a cross-recess drive for controlled torque application and flush head seating in panel joints and airframe assemblies.
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.
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 nas517-3-20.
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.