Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A40X52X7DIN3760NBG found under Seal Plain by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 5330121461305, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A40X52X7DIN3760NBG.