P/N: nas1221-4cr6
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 | 92 Available |
The NAS1221-4CR6 is a close-tolerance, flat countersunk bolt with an internal high-torque drive and UNJC threads. Manufactured in steel to NAS 1221 standard, this fastener creates a flush surface when installed, making it ideal for structural airframe skin joints and assemblies requiring precise fit. The internal drive accommodates specialized torque tools for controlled installation.
Install using the correct driver and torque specifications per aircraft maintenance manual guidance.
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 NAS1221-4CR6 is a close-tolerance, flat countersunk bolt with an internal high-torque drive and UNJC threads. Manufactured in steel to NAS 1221 standard, this fastener creates a flush surface when installed, making it ideal for structural airframe skin joints and assemblies requiring precise fit.
Aircraft hardware is manufactured to military and aviation specifications. The BOLT 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 nas1221-4cr6.
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.