Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BN 2256 02 found under Test Set Optical Power by Jds Uniphase Corporation. The National Stock Number assigned to this part is 6650015498478, 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 BN 2256 02.