Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 830303-012 found under Screw Machine by Jewell Instruments Llc. The National Stock Number assigned to this part is 5305010034892, 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 830303-012.