Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1494-3 found under Setscrew by Carlson Company Inc The. The National Stock Number assigned to this part is 5305013425486, 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 1494-3.