Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4HCO1BASE 4TJ42TOP found under Waste Receptacle by W W Grainger Inc. The National Stock Number assigned to this part is 7240001377818, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4HCO1BASE 4TJ42TOP.