Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10169 found under Screw Cap Hexagon Head by D And D Instruments Inc. The National Stock Number assigned to this part is 5305011340726, 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 10169.