Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 458-56160-1 found under Packing Nut by Triumph Structures East Texas. The National Stock Number assigned to this part is 4730013490502, 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 458-56160-1.