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 5920-01-398-1626
NSN 5965-01-661-1950
NSN 6220-00-961-7246
NSN 6105-01-269-0485
NSN 5925-01-399-4007
NSN 6105-01-274-8865
NSN 5999-01-545-7739
NSN 5996-00-240-3224
NSN 4140-00-871-9619
NSN 6320-00-228-5678
NSN 5930-01-418-5320
NSN 5998-01-147-4298