WASHER (P/N 172) - New Surplus
P/N: 172
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 | 1500 Available |
Product Description
Part 172 is a flat washer that distributes clamping loads beneath bolt heads and nuts in aircraft fastening applications. The washer provides a smooth bearing surface to prevent fasteners from pulling through softer materials during installation and torquing. Commonly used in airframe panel attachments and structural connections where load distribution is critical.
Conforms to AN960 and NAS1149 standards for aerospace fastening. Installation follows AC 43.13-1B guidance and applicable Aircraft Maintenance Manual 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 WASHER (P/N 172)?
Part 172 is a flat washer that distributes clamping loads beneath bolt heads and nuts in aircraft fastening applications. The washer provides a smooth bearing surface to prevent fasteners from pulling through softer materials during installation and torquing.
Does the 172 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER 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 172 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 172.
Can I order the 172 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.