Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F660211-01 found under Cock Plug by Scotchman Industries Inc. The National Stock Number assigned to this part is 4820016039036, 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 F660211-01.