Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 470-317ZN28 found under Screw Cap Hexagon H by A R E Mfg Co Inc. The National Stock Number assigned to this part is 5305013057096, 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 470-317ZN28.