item under consideration is identified as the pump cap imported without the cosmetic jar. The pump cap is made of plastic components and operates as a flip up lid for the device as well as simple pump. The pump cap is designed to be later attached to a cosmetic jar. The manually-operated pump is made up of a button, button valve, valve piston, pump cam, tip, pump cap, shoulder, valve guide, spring, valve, pump piston, disc, housing, and packing.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N322382