Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9NS 401 873-02 found under Screw Machine by Aero Electronics Systems Inc. The National Stock Number assigned to this part is 5305013664826, 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 9NS 401 873-02.