BOLT,CLOSE TOLERANCE (P/N an173-21) - New Surplus
P/N: an173-21
Category: Bolts
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 | 11 Available |
Product Description
The AN173-21 is a close tolerance hex-head aircraft bolt with 10-32 UNF-3A threads and alloy-steel construction. Designed for interference-fit structural joints in reamed airframe holes, this AN-standard fastener provides tight shear fit at critical attachment points. Commonly used in bracket assemblies and primary structure connections requiring precision fit.
Installation in close tolerance holes may require light tapping to seat properly. Follow aircraft maintenance manual torque specifications and FAA AC 43.13-1B guidance for installation procedures.
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 an173-21)?
The AN173-21 is a close tolerance hex-head aircraft bolt with 10-32 UNF-3A threads and alloy-steel construction. Designed for interference-fit structural joints in reamed airframe holes, this AN-standard fastener provides tight shear fit at critical attachment points.
What conditions is the an173-21 available in?
The an173-21 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the an173-21?
The an173-21 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the an173-21?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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