Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A256-3FBN found under Screw Machine by All Craft Screw And Hardware Co Inc. The National Stock Number assigned to this part is 5305002080698, 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 A256-3FBN.