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 5905-00-925-7381
NSN 5996-00-925-1953
NSN 5998-00-014-2470
NSN 6130-00-303-3985
NSN 6240-01-314-5700
NSN 5998-01-045-7075
NSN 6610-00-250-5344
NSN 5835-01-178-4154
NSN 7035-01-328-7448
NSN 5945-00-518-7032
NSN 5915-00-577-9024
NSN 5960-01-178-7500