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 5999-01-463-7443
NSN 6110-01-170-5379
NSN 5965-01-138-9288
NSN 6320-01-564-0893
NSN 5915-01-233-3757
NSN 6610-00-467-2850
NSN 5935-01-090-6406
NSN 5996-01-089-5339
NSN 6650-01-564-3452
NSN 2925-01-357-9021
NSN 2925-01-444-2061
NSN 4140-01-250-5431