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 6320-01-177-3192
NSN 6645-01-298-4662
NSN 5835-01-383-1313
NSN 6150-00-039-5776
NSN 5950-00-944-2909
NSN 6130-01-180-7556
NSN 5960-00-925-6922
NSN 6620-00-388-0047
NSN 5990-01-032-3832
NSN 7035-01-413-6697
NSN 5920-01-461-8719
NSN 5965-01-175-4839