BOLT,CLOSE TOLERANCE (P/N an174-15a) - As Removed, New Surplus
P/N: an174-15a
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 |
|---|---|
| As Removed | 5 Available |
| New Surplus | 39 Available |
Product Description
The AN174-15A is a close tolerance hex-head bolt from the AN173–AN186 series, featuring steel construction with a 1/4-28 UNF Class 3A thread and undrilled shank. Designed for precision-fit aircraft structural joints requiring minimal bolt-to-hole clearance, this fastener installs in reamed holes to maintain exact alignment in critical airframe connections. The close tolerance specification ensures consistent performance in high-stress structural applications on general aviation and commercial aircraft.
Installation requires torque values per applicable aircraft maintenance manuals and AN/NASM fastener 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.
Frequently Asked Questions
What is the BOLT,CLOSE TOLERANCE (P/N an174-15a)?
The AN174-15A is a close tolerance hex-head bolt from the AN173–AN186 series, featuring steel construction with a 1/4-28 UNF Class 3A thread and undrilled shank. Designed for precision-fit aircraft structural joints requiring minimal bolt-to-hole clearance, this fastener installs in reamed holes to maintain exact alignment in critical airframe connections.
Does the an174-15a 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 an174-15a 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 an174-15a.
Can I order the an174-15a in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT,CLOSE TOLERANCE is available in: As Removed, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.