Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HHB-3816-1.00-SS found under Screw Cap Hexagon H by Fastenal Company. The National Stock Number assigned to this part is 5305016481483, 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 HHB-3816-1.00-SS.