Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 011 0054 found under Hose Metallic by Penflex Inc. The National Stock Number assigned to this part is 4720005424040, 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 011 0054.