Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42103ADX found under Screw Tapping by Airdale Express Llc. The National Stock Number assigned to this part is 5305004994805, 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 42103ADX.