Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1810-1766 found under Regulator Compressed Gas by Industrial Scientific Corporation. The National Stock Number assigned to this part is 4820014936436, 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 1810-1766.