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The MS35769-11 copper crush washer is a certified aircraft sealing washer designed for use in fuel, oil, and hydraulic systems where leak-proof connections are essential.

Designed to deform under torque, it creates a tight, reliable seal and is commonly used on fittings, drain plugs, and engine components in general aviation.

Commonly used on Continental and Lycoming engines for oil drain plugs and fluid system sealing.

✔ Equivalent to AN900-10
✔ Conforms to MS35769 specification
✔ Soft copper construction for optimal sealing
✔ Suitable for fuel, oil, and hydraulic systems
✔ Aviation-grade copper construction

The MS35769-21 copper crush washer is a certified aircraft sealing washer used in fuel, oil, and hydraulic systems to ensure leak-proof connections.

Designed to deform under torque, it creates a tight, reliable seal and is commonly used on fittings, drain plugs, and engine components in general aviation.

Commonly used on Continental and Lycoming engines for oil drain plugs and fluid system sealing.

✔ Equivalent to AN900-16
✔ Conforms to MS35769 specification
✔ Form 8130-3 Included
✔ Suitable for fuel, oil, and hydraulic systems
✔ Reliable sealing in high-pressure environments
✔ Aviation-grade copper construction