Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 472-6853467-2-3 found under Periscope Subassembly by Arc Technologies Inc. The National Stock Number assigned to this part is 1240013810080, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 472-6853467-2-3.