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 5855-01-388-2424
NSN 6320-01-578-6006
NSN 5998-00-101-0684
NSN 5935-01-605-2102
NSN 5998-01-263-1901
NSN 5990-01-551-4356
NSN 5920-00-399-7760
NSN 2925-01-277-5882
NSN 5990-00-372-5177
NSN 2925-00-343-3235
NSN 6220-00-676-0904
NSN 6240-01-539-6315