Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M80CR080-1E found under Setscrew by Nylok Corporation. The National Stock Number assigned to this part is 5305004518907, 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 M80CR080-1E.