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 5975-01-209-6806
NSN 7035-01-399-5354
NSN 5905-01-447-8612
NSN 5998-01-136-8305
NSN 5895-00-233-7309
NSN 5999-00-647-4999
NSN 4140-00-935-5360
NSN 5935-01-085-1748
NSN 6685-01-171-5120
NSN 6650-00-126-3002
NSN 5965-01-623-5674
NSN 5990-01-247-8277