Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 237B 10 45 found under Valve Regulating Fl by Eaton Corporation. The National Stock Number assigned to this part is 4820012627561, 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 237B 10 45.