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 5915-00-504-7440
NSN 5998-00-839-8710
NSN 6645-01-485-6536
NSN 5960-00-324-7291
NSN 6645-00-787-8813
NSN 5996-01-597-1682
NSN 6685-01-409-2748
NSN 5960-01-186-5023
NSN 2925-01-090-2391
NSN 6650-01-304-0196
NSN 7035-01-301-3263
NSN 6610-00-132-3387