Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 310198-133 found under Valve Angle by Imi Cornelius Inc. The National Stock Number assigned to this part is 4820001859851, 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 310198-133.