Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3200 found under Hose Assembly Metallic by Alter Harry Co. The National Stock Number assigned to this part is 4720000222536, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3200.