Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N440-1 2FH found under Screw Machine by Catamount Mfg Inc. The National Stock Number assigned to this part is 5305006881903, 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 N440-1 2FH.