Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 92B-1098-1186538S found under Valve Regulating Sy by Fisher Controls Co Inc. The National Stock Number assigned to this part is 4820014153205, 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 92B-1098-1186538S.