Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B4853 480 found under Hose Assembly Nonme by Metadure Parts And Sales Inc. The National Stock Number assigned to this part is 4720009670697, 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 B4853 480.