Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NKN1304-6H found under Screw Cap Hexagon H by Nylok Corporation. The National Stock Number assigned to this part is 5305003225758, 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 NKN1304-6H.