Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 115 400B found under Valve Angle by Uni Ram Corporation. The National Stock Number assigned to this part is 4820219211622, 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 115 400B.