Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7CM1240ER found under Screw Cap Hexagon H by Clark Equipment Co. The National Stock Number assigned to this part is 5305013988615, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7CM1240ER.