Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 361893 found under Seal Plain by Blackmer System One Inc. The National Stock Number assigned to this part is 5330014775503, 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 361893.