Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 491 011 found under Hose Assembly Nonme by Max Weishaupt Gmbh Brenner. The National Stock Number assigned to this part is 4720123434091, 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 491 011.