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 5960-01-418-2641
NSN 5930-01-061-8093
NSN 5920-01-370-4376
NSN 6135-01-184-0727
NSN 5950-01-260-3417
NSN 5975-00-457-0611
NSN 6130-00-951-8490
NSN 6620-00-060-6801
NSN 4140-00-616-1347
NSN 6130-01-158-6134
NSN 5990-00-467-7431
NSN 6650-01-633-9147