Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H198B6 found under Tube Metallic by R D Miners Inc. The National Stock Number assigned to this part is 4710011249330, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H198B6.