BOLT,CLOSE TOLERANCE (P/N an173-20) - New Surplus
P/N: an173-20
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 | 86 Available |
Product Description
The AN173-20 is a close-tolerance hex-head bolt with 10-32 UNF threads designed for precision airframe structural attachments. Manufactured from steel to meet Aeronautical Standard (AN) specifications, this bolt minimizes joint movement and maintains accurate alignment in critical applications. Installation requires properly sized, reamed close-tolerance holes to achieve the precision fit this fastener demands.
Torque per aircraft maintenance manual or FAA AC 43.13-1B guidance. Used in fixed-wing and rotary-wing aircraft where structural integrity and dimensional accuracy are essential.
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 an173-20)?
The AN173-20 is a close-tolerance hex-head bolt with 10-32 UNF threads designed for precision airframe structural attachments. Manufactured from steel to meet Aeronautical Standard (AN) specifications, this bolt minimizes joint movement and maintains accurate alignment in critical applications.
Does the an173-20 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 an173-20 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 an173-20.
Can I order the an173-20 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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