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 5935-01-588-5762
NSN 4140-01-180-4515
NSN 5920-01-492-5535
NSN 6135-00-826-4798
NSN 5895-01-328-9319
NSN 5925-01-394-5365
NSN 5985-00-416-5683
NSN 5960-01-411-5899
NSN 5910-01-060-5912
NSN 5835-01-237-3769
NSN 6320-00-456-0836
NSN 6650-01-191-1669