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 6645-00-171-9639
NSN 5835-01-485-0210
NSN 5990-01-487-0871
NSN 6610-00-886-3652
NSN 6645-01-418-8035
NSN 5920-01-182-8745
NSN 6650-00-907-8565
NSN 6685-00-260-9374
NSN 6610-01-431-5447
NSN 6240-01-469-6469
NSN 5910-01-129-7363
NSN 5998-01-153-9260