Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 161-30-1 found under Wheel Half Inner by Parker Hannifin Ltd. The National Stock Number assigned to this part is 1630012874062, and the Federal Supply Class is 1630 Aircraft Wheel And Brake Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 161-30-1.