Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 128019-0206 found under Screw Machine by Gould Instrument Systems Inc. The National Stock Number assigned to this part is 5305008024221, 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 128019-0206.