PPS Molded Switch Knob Assembly
High-temperature polyphenylene sulfide (PPS) molded knob with integral shaft adapter for industrial control switches of heading 8536. Provides precise torque transmission and high-temperature operation up to 260°C. Molded specifically for switch apparatus under 8538.90.60.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If manual control knobs not for electrical apparatus
General molded plastic knobs without electrical apparatus specificity.
If machined from rod stock rather than molded
Non-molded plastic or metal knobs fall under other parts provisions.
If for mechanical rather than electrical switches
Parts of mechanical Taps, cocks, valves shift to transmission machinery chapter.
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Import Tips & Compliance
• Document heat deflection temperature ratings proving suitability only for heated switch environments
• Include torque specifications matching target switch mechanisms
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