Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A00-1024 POS21 found under Screw Cap Hexagon Head by Ulstein Danmark A S. The National Stock Number assigned to this part is 5305014248135, 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 A00-1024 POS21.