Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BUL-255 22926-1122316 found under Valve Butterfly by Cooper Cameron Corp. The National Stock Number assigned to this part is 4820013705965, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BUL-255 22926-1122316.