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 6645-01-461-6102
NSN 2925-01-474-3363
NSN 5930-01-083-1893
NSN 5950-01-050-9114
NSN 6620-00-072-8602
NSN 5930-01-450-6736
NSN 5996-00-446-3784
NSN 5960-01-106-3086
NSN 5855-01-491-0140
NSN 7035-01-421-4446
NSN 6105-01-248-8267
NSN 6145-01-539-8674