Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PH-7843-166 found under Washer Flat by Globe Electronic Hardware Inc. The National Stock Number assigned to this part is 5310015175991, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PH-7843-166.