Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 25212191-158 found under Reducer Tube by Bae Systems Hagglunds Ab. The National Stock Number assigned to this part is 4730011654703, 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 25212191-158.