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 4140-01-511-0286
NSN 6650-01-087-6620
NSN 5975-01-397-8805
NSN 6150-00-344-9339
NSN 5998-00-202-8590
NSN 5935-01-468-5869
NSN 5950-01-599-1976
NSN 5950-00-456-0665
NSN 6320-00-456-2092
NSN 2925-01-302-3098
NSN 5895-00-784-3797
NSN 5985-01-441-3590