Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4043-100-024103 ITEM NO. 14 found under Screw Shoulder by Ibis Tek Llc. The National Stock Number assigned to this part is 5305016530116, 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 4043-100-024103 ITEM NO. 14.