Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QS500M40S found under Clamp Hose by Pebra Gmbh Paul Braun. The National Stock Number assigned to this part is 4730004979343, 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 QS500M40S.