WASHER (P/N std425) - New Surplus

The std425 is a plain washer designed for #10 fasteners in Lycoming engine assemblies. This steel washer distributes clamping load under bolt and screw heads, preventing surface damage during installation. Part of Lycoming's STD-series hardware line, it meets OEM specifications for engine component fastening.

Installation requires adherence to Lycoming maintenance manual torque tables and verification against your aircraft or engine IPC before use.

What is the WASHER (P/N std425)?

The std425 is a plain washer designed for #10 fasteners in Lycoming engine assemblies. This steel washer distributes clamping load under bolt and screw heads, preventing surface damage during installation.

What conditions is the std425 available in?

The std425 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 std425?

The std425 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 std425?

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.