Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S19-20722 PIECE 10 found under Adapter by Parker Hannifin Ltd. The National Stock Number assigned to this part is 5340012055484, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S19-20722 PIECE 10.