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 5915-01-423-8561
NSN 5915-00-429-1986
NSN 6685-01-135-4357
NSN 5999-01-352-6764
NSN 5835-01-416-6455
NSN 5835-01-128-9331
NSN 6685-00-366-6997
NSN 6320-01-195-5583
NSN 5998-01-468-6634
NSN 5990-01-633-9503
NSN 5935-00-285-2767
NSN 5945-01-542-1780