Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B400789 found under Adapter Union Bod by Dla Land And Maritime. The National Stock Number assigned to this part is 4730004686663, 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 B400789.