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 2925-00-178-0940
NSN 6620-01-468-9288
NSN 5925-00-296-8123
NSN 5855-01-355-5521
NSN 6220-01-276-0796
NSN 6135-01-167-7604
NSN 2925-01-429-2235
NSN 5905-01-452-0386
NSN 5855-01-054-9014
NSN 6620-00-456-0404
NSN 6110-01-633-6611
NSN 5998-00-858-8725