Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PDU-4 6.75 found under Dispenser Tableware Automatic by P And M Llc. The National Stock Number assigned to this part is 7320003837331, 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 PDU-4 6.75.