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 6620-00-246-5159
NSN 6105-00-918-8239
NSN 6110-01-281-8355
NSN 7035-01-515-3490
NSN 5945-00-161-4014
NSN 7035-01-473-0517
NSN 6135-01-216-7170
NSN 6685-01-016-2057
NSN 5915-00-665-2854
NSN 5960-00-289-6591
NSN 6645-01-322-8897
NSN 6130-00-445-7873