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 6145-01-185-7803
NSN 5930-01-453-4529
NSN 5975-00-816-9621
NSN 5999-00-594-9180
NSN 6130-00-372-4322
NSN 5975-00-160-9222
NSN 5855-01-147-6024
NSN 5965-00-917-0455
NSN 6620-01-580-9746
NSN 5920-01-141-6885
NSN 5965-00-557-3816
NSN 6320-00-894-1644