Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 999 4 43079 351 found under Screw Machine by Selex Es Limited. The National Stock Number assigned to this part is 5305121635686, 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 999 4 43079 351.