Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 502B14-7-2 found under Nut Plain Hexagon by Crescent Communications Corp. The National Stock Number assigned to this part is 5310000619185, 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 502B14-7-2.