Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WRD650 found under Seal Nonmetallic St by Microwave Engineering Corporation. The National Stock Number assigned to this part is 5330012352092, 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 WRD650.