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What is the material of snubber brakes that is used for stopping the spin of the nose landing gear? KC-135, Boeing 747, 727 are the aircraft that I saw with these snubbers.

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  • $\begingroup$ Actually brakes on NLG are optional, even for Boeing 747 $\endgroup$
    – Greedo
    Commented Oct 22, 2019 at 9:50

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This company provides brake components for the B737, the snubber brakes being among them:

enter image description here (Source)

They are made of what they call "AFT 200" material, which is described as:

a phenolic treated, brass wire inserted cloth laminated under heat and pressure to a dense, strong composite. AFT 200 provides good fade and wear resistance and may be machined using standard, industry accepted practices. Its high strength makes it suitable for gear and lug driven applications.

I don't know if the snubber brakes in a KC-135 Stratotanker use this material as well, but the following picture shows where they would be installed:

enter image description here (Source)

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