Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SC1249022 found under Ring Piston by Seren Machine Products Corp. The National Stock Number assigned to this part is 5420000698592, and the Federal Supply Class is 5420 Bridges Fixed And Floating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SC1249022.