Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 250 1 2IN STYLE11 found under Cock Plug by Crane Company. The National Stock Number assigned to this part is 4820007818086, 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 250 1 2IN STYLE11.