Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AT1-2IN found under Strainer Element Se by Spirax Sarco Inc. The National Stock Number assigned to this part is 4730009781938, 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 AT1-2IN.