Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 115-174 found under Gasket Set by United Corp The. The National Stock Number assigned to this part is 5330009495426, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 115-174.