WASHER,KEY (P/N 4051t27p01) - Serviceable

The 4051t27p01 is a steel key washer that prevents nut and bearing retainer rotation on aircraft shafts. This locking washer engages a keyway slot and bends against the fastener to maintain secure positioning under vibration. Used in airframe and engine shaft assemblies where critical fasteners must remain locked during operation.

Installation requires the tab to be positioned in the keyway and bent firmly against the nut per aircraft maintenance manual specifications. Meets aerospace standards including MS9581.

What is the WASHER,KEY (P/N 4051t27p01)?

The 4051t27p01 is a steel key washer that prevents nut and bearing retainer rotation on aircraft shafts. This locking washer engages a keyway slot and bends against the fastener to maintain secure positioning under vibration.

What conditions is the 4051t27p01 available in?

The 4051t27p01 is currently available in the following conditions: Serviceable. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 4051t27p01?

The 4051t27p01 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 4051t27p01?

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.