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 5895-01-365-1938
NSN 6320-01-359-3921
NSN 5935-00-379-4756
NSN 4140-01-647-0707
NSN 6220-01-012-0803
NSN 5996-01-597-4912
NSN 6110-01-383-7520
NSN 6220-01-634-0660
NSN 6220-00-435-0149
NSN 7035-01-640-7922
NSN 6105-00-767-3686
NSN 6685-01-102-6723