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 6105-00-553-7441
NSN 6620-01-237-5603
NSN 5855-01-147-4785
NSN 5915-01-538-7581
NSN 5975-00-237-4297
NSN 6320-00-894-1644
NSN 5930-00-407-7036
NSN 4140-01-535-6477
NSN 5855-01-258-6180
NSN 6650-00-518-5194
NSN 6110-01-523-1964
NSN 5996-01-032-5926