6350-01-690-4363 (0321-004)
6350-01-690-4363 is equivalent to manufacture part number 0321-004. It is a surveillance equi interface unit and is classified under Federal Supply Class 6350 (6350 - Miscellaneous Alarm and Security Systems), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6350 - Miscellaneous Alarm and Security Systems and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.