Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1704-14 found under Screw Shoulder by M F Services Inc. The National Stock Number assigned to this part is 5305008505304, 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 NAS1704-14.