BOLT,CLOSE TOLERANCE (P/N an173-5a) - New Surplus
P/N: an173-5a
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 | 100 Available |
Product Description
The AN173-5A is a close tolerance hex-head bolt conforming to AN173 military specifications. Manufactured from steel with 10-32 UNF class 3A threads and approximately 0.189-inch grip diameter, this bolt provides precision fit in reamed airframe structural joints. The close tolerance design ensures tight shear-fit retention in high-stress applications.
Commonly used in fuselage, wing, and empennage assemblies where dimensional consistency is critical. Installation requires matching grip length to hole depth and following aircraft maintenance manual specifications.
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 an173-5a)?
The AN173-5A is a close tolerance hex-head bolt conforming to AN173 military specifications. Manufactured from steel with 10-32 UNF class 3A threads and approximately 0.
Does the an173-5a 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 an173-5a 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 an173-5a.
Can I order the an173-5a 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.