An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. the basic instrument cannot function without one or more plug-in units (as required) in position.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6135-01-010-0891
NSN 6650-01-467-2355
NSN 5935-01-391-3526
NSN 6150-00-786-0135
NSN 7035-01-173-1513
NSN 4140-01-154-2216
NSN 5950-01-512-2430
NSN 5905-01-501-9465
NSN 5915-00-196-7016
NSN 5950-00-932-6920
NSN 5990-00-781-6762
NSN 6150-01-043-5202