Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 412004-403 found under Screw Cap Socket He by Texas Instruments Incorporated. The National Stock Number assigned to this part is 5305012500637, 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 412004-403.