Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D25273DH found under Gasket by Hammel Dahl Inc. The National Stock Number assigned to this part is 5330002390586, 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 D25273DH.