Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7561420-001 found under Seal Plain Encased by Lockwood Corp. The National Stock Number assigned to this part is 5330012008434, 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 7561420-001.