Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 912257C1 found under Strainer Element Se by Aar Parts Trading Inc. The National Stock Number assigned to this part is 4730004770005, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 912257C1.