Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10990 26 300-7 found under Hose Metallic by Hamworthy Kse Ab. The National Stock Number assigned to this part is 4720014281711, 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 10990 26 300-7.