Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5001 3EX found under Screw Cap Hexagon Head by Blowers Llc. The National Stock Number assigned to this part is 5305016622110, 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 5001 3EX.