Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10-24NC3A found under Screw Shoulder by H K Connecticut Holding Company. The National Stock Number assigned to this part is 5305008474445, 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 10-24NC3A.