Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F631R001 ITEM 3 found under Screw Cap Hexagon H by Jered Llc. The National Stock Number assigned to this part is 5305014149941, 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 F631R001 ITEM 3.