Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74376538 found under Insert Valve Bridge by Industrial Parts Depot Inc. The National Stock Number assigned to this part is 2815000711868, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 74376538.