Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P D 1801 TY1PTA found under Dishwashing Compoun by General Services Administration Inc. The National Stock Number assigned to this part is 7930004640517, 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 P D 1801 TY1PTA.