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 5990-01-387-3820
NSN 5945-01-195-9580
NSN 7035-01-206-9143
NSN 5920-01-634-0250
NSN 5990-00-976-9496
NSN 5925-01-548-1966
NSN 5960-01-515-4791
NSN 5835-01-010-6778
NSN 5895-01-258-5933
NSN 5998-01-282-3715
NSN 5996-00-213-7121
NSN 6650-01-394-6124