Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DR30129 PIECE 66 DET B104374-20 found under Retainer Packing by Crane Company. The National Stock Number assigned to this part is 5330010682339, 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 DR30129 PIECE 66 DET B104374-20.