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 5920-00-492-5516
NSN 5998-01-457-6618
NSN 6220-01-578-4401
NSN 5930-01-423-8439
NSN 5999-01-456-6581
NSN 6135-01-512-8740
NSN 6645-01-422-5686
NSN 6645-01-075-6498
NSN 5935-01-634-0668
NSN 6610-01-384-0636
NSN 6105-00-422-4098
NSN 5996-01-508-4599