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 6220-01-422-1429
NSN 6105-00-035-4909
NSN 5910-01-285-3419
NSN 5915-01-308-3636
NSN 4140-00-293-7847
NSN 5910-00-244-1622
NSN 6685-01-175-0868
NSN 5855-00-944-0949
NSN 5930-00-576-3104
NSN 6645-00-192-1152
NSN 5998-01-604-4563
NSN 6145-01-417-2988