WASHER (P/N std35) - New Surplus

The std35 is a plain steel washer designed for 5/16 inch fasteners with a 0.3125 inch inner diameter. This Lycoming OEM washer provides a bearing surface beneath bolt heads and nuts, distributing load and preventing galling in engine assemblies. It conforms to AN960/NAS1149 flat washer specifications.

Install per your engine's Illustrated Parts Catalog and apply torque according to Lycoming maintenance data. Used throughout engine mounting and structural applications where load distribution is critical.

What is the WASHER (P/N std35)?

The std35 is a plain steel washer designed for 5/16 inch fasteners with a 0. 3125 inch inner diameter.

Does the std35 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 std35 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 std35.

Can I order the std35 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.