Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SFC-256-3-SS-P found under Screw Machine by Kearflex Engineering Company. The National Stock Number assigned to this part is 5305012169704, 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 SFC-256-3-SS-P.