BOLT,CLOSE TOLERANCE (P/N an174-60) - New Surplus
P/N: an174-60
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 | 6 Available |
Product Description
The AN174-60 is a close-tolerance hex bolt with 1/4-28 UNF threads, manufactured from alloy steel per Army-Navy standards. This precision fastener is designed for interference-fit aircraft joints where tight shank fit and reamed holes control movement and prevent slippage. Used in airframe shear connections on fixed-wing and rotary-wing aircraft.
Installation requires precision reaming to match bolt diameter and torque application per aircraft maintenance manual specifications. The AN174 series belongs to the AN173-AN186 family of high-strength fasteners for critical structural 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.
Frequently Asked Questions
What is the BOLT,CLOSE TOLERANCE (P/N an174-60)?
The AN174-60 is a close-tolerance hex bolt with 1/4-28 UNF threads, manufactured from alloy steel per Army-Navy standards. This precision fastener is designed for interference-fit aircraft joints where tight shank fit and reamed holes control movement and prevent slippage.
Does the an174-60 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The BOLT,CLOSE TOLERANCE 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 an174-60 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 an174-60.
Can I order the an174-60 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT,CLOSE TOLERANCE is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.