BOLT,CLOSE TOLERANCE (P/N an174-25) - New Surplus
P/N: an174-25
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 | 59 Available |
Product Description
The AN174-25 is a close-tolerance hex-head bolt from the AN174 series, now maintained under NASM6812 specifications. This fastener provides precision shank and thread control for interference-fit structural joints in aircraft airframes. Designed for shear connections requiring minimal clearance, it installs in correctly reamed holes to maintain alignment and load transfer.
Installation requires torquing per AN/NASM specifications or your aircraft maintenance manual. Commonly used in primary structure where tight tolerances prevent fastener movement under vibration and flight loads.
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 an174-25)?
The AN174-25 is a close-tolerance hex-head bolt from the AN174 series, now maintained under NASM6812 specifications. This fastener provides precision shank and thread control for interference-fit structural joints in aircraft airframes.
Does the an174-25 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 an174-25 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 an174-25.
Can I order the an174-25 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.
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