Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9914.5600 found under Nut Plain Hexagon by Crash Rescue Equipment Service. The National Stock Number assigned to this part is 5310015061104, 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 9914.5600.