Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A2389004A1 found under Setscrew by Elsag Bailey Inc. The National Stock Number assigned to this part is 5305001192018, 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 A2389004A1.