The X1473 Copper Washer is a precision sealing and spacing washer used in aviation, mechanical, and industrial applications. Manufactured from copper for enhanced corrosion resistance and sealing capability, this washer is commonly installed in fuel, oil, hydraulic, and pneumatic systems where reliable sealing under pressure and temperature variation is required.

Its .3125 x .3125 sizing configuration makes it suitable for use with compatible fittings, fasteners, and fluid system connections in aerospace and maintenance environments.

Its primary features include:
Copper construction for improved sealing performance
Designed for fluid, fuel, oil, and hydraulic system applications
Helps prevent leakage at threaded or compression fittings
Corrosion-resistant and temperature-tolerant material
Precision-machined dimensions for reliable fitment
Suitable for aviation and industrial maintenance operations

Copper washers like the X1473 are widely used in aircraft and mechanical systems because they provide dependable sealing characteristics while accommodating thermal expansion and vibration in demanding operating environments.