Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B58-53 And SCHD found under Clamp Hose by Crane Company. The National Stock Number assigned to this part is 4730014995444, 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 B58-53 And SCHD.