Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS27228-12 found under Elbow Swivel Flange by Anchor Swan Corp. The National Stock Number assigned to this part is 4730005294994, 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 MS27228-12.