Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NO PRIMARY REF14-258-8341 found under Clamp Hose by This Ncage Is Used To Inform That. The National Stock Number assigned to this part is 4730142588341, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NO PRIMARY REF14-258-8341.