Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PH399-0832-28CB found under Screw Machine by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5305000546677, 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 PH399-0832-28CB.