Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16047-1228 found under Screw Cap Hexagon H by Paccar Government Group Co. The National Stock Number assigned to this part is 5305003956574, 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 16047-1228.