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 5950-00-215-9161
NSN 6130-01-136-1547
NSN 4140-01-544-1764
NSN 5999-01-509-9389
NSN 6650-00-349-8732
NSN 5999-01-316-7414
NSN 5999-00-993-6449
NSN 5990-01-647-8574
NSN 7035-01-421-4446
NSN 5945-00-249-3344
NSN 5965-00-263-6436
NSN 6650-00-641-6139