BOLT,CLOSE TOLERANCE (P/N an175-20) - New Surplus
P/N: an175-20
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 | 27 Available |
Product Description
The AN175-20 is a close-tolerance aircraft bolt designed for precision shear load applications in airframe structural joints. This steel fastener features a tight-fit shank that seats in reamed holes, conforming to AN173–AN186 Aeronautical Standard specifications. Used where conventional bolts cannot provide the required fit accuracy, the AN175-20 maintains alignment in critical structural connections on fixed-wing and rotary-wing aircraft.
Installation requires precision-reamed holes and torque application per the aircraft maintenance manual. Pair with the specified nut for reliable, vibration-resistant fastening in high-stress airframe areas.
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 an175-20)?
The AN175-20 is a close-tolerance aircraft bolt designed for precision shear load applications in airframe structural joints. This steel fastener features a tight-fit shank that seats in reamed holes, conforming to AN173–AN186 Aeronautical Standard specifications.
Does the an175-20 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 an175-20 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 an175-20.
Can I order the an175-20 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.