Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A530 found under Valve Poppet Engine by Sterling Div Federal Mogul Corp. The National Stock Number assigned to this part is 2805003863384, and the Federal Supply Class is 2805 Gasoline Reciprocating Engines Except Aircraft And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A530.