Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45231 found under Screw Tapping by Allianz Sweeper Company. The National Stock Number assigned to this part is 5305004808499, 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 45231.