Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 261-031 found under Packing Preformed by Pine Meadow Machine Co Inc. The National Stock Number assigned to this part is 5330011270429, 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 261-031.