BOLT, 100 DEG FLUSH REDUCED HEAD (P/N nas1581k4r3) - New Surplus
P/N: nas1581k4r3
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 | 23 Available |
Product Description
The NAS1581K4R3 is a 100-degree flush reduced head shear bolt with Torq-Set recess per MS14191. Size -4 (1/4-28 UNJF) in titanium alloy per AMS4928/AMS4967. This fastener installs flush with countersunk aerospace structures for shear-critical applications.
Commonly used in aircraft skin and panel joints where flush installation is required. The reduced head design minimizes protrusion while maintaining shear strength. Titanium construction provides lightweight, corrosion-resistant performance in demanding aircraft environments.
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 BOLT, 100 DEG FLUSH REDUCED HEAD (P/N nas1581k4r3)?
The NAS1581K4R3 is a 100-degree flush reduced head shear bolt with Torq-Set recess per MS14191. Size -4 (1/4-28 UNJF) in titanium alloy per AMS4928/AMS4967.
Does the nas1581k4r3 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The BOLT, 100 DEG FLUSH REDUCED HEAD 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 nas1581k4r3 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 nas1581k4r3.
Can I order the nas1581k4r3 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT, 100 DEG FLUSH REDUCED HEAD is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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