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 7035-01-471-4884
NSN 4140-01-361-8883
NSN 5999-01-630-4291
NSN 5935-00-922-1623
NSN 5950-01-454-9989
NSN 6685-01-108-5782
NSN 4140-01-273-0196
NSN 5895-01-488-7976
NSN 6150-01-246-7621
NSN 6620-01-122-8455
NSN 6135-01-274-3546
NSN 5895-01-063-4688