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 6620-01-459-6401
NSN 4140-00-727-1889
NSN 5930-00-541-8594
NSN 6150-00-724-4947
NSN 5925-01-380-7490
NSN 2925-00-816-8765
NSN 6320-01-268-3072
NSN 5925-01-584-1810
NSN 6685-00-787-0704
NSN 5965-01-415-0872
NSN 5855-00-256-5562
NSN 5990-01-395-4194