Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LA5143 found under Ring Piston by Morgan Advanced Materials. The National Stock Number assigned to this part is 2810003829076, and the Federal Supply Class is 2810 Gasoline Reciprocating Engines Aircraft Prime Mover And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LA5143.