Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IS 3310 B found under Nut Union by Clyde Bergemann Limited. The National Stock Number assigned to this part is 4730993640146, 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 IS 3310 B.