This hard plastic ring is the top insulator in the lower section nozzle body of the Non Contact Cutting Head on a Mark II or NTX. Hard Plastic has the advantage of not breaking as easily as Ceramic and not melting as easily as Teflon. It is located between the Copper Nut Narrow (M108U0) and the Copper Nozzle Holder Narrow (M105U0).
Mazak® Part # 46683301120/P
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