Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XA508-C1888 found under Piston Pump by Rix Industries. The National Stock Number assigned to this part is 4320012972015, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XA508-C1888.