Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 41983 FIND 20 found under Screw Cap Hexagon Head by Navy United States Department Of. The National Stock Number assigned to this part is 5305016698602, 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 41983 FIND 20.