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 6220-01-611-1224
NSN 5930-01-259-0466
NSN 5950-00-461-3185
NSN 6110-00-978-6898
NSN 4140-00-155-8012
NSN 5925-01-075-4598
NSN 6320-01-431-4359
NSN 5999-00-181-6101
NSN 2925-01-180-2149
NSN 6135-01-265-1384
NSN 5998-01-379-5015
NSN 5920-01-444-4082