Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R0142903 found under Screw Cap Hexagon H by Denel Vehicle Systems. The National Stock Number assigned to this part is 5305016049497, 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 R0142903.