Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2K402-5A-1 And 3 found under Folder File by Smead Mfg Co. The National Stock Number assigned to this part is 7530012381925, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2K402-5A-1 And 3.