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 6685-01-178-0979
NSN 5925-01-593-0797
NSN 6240-01-244-7668
NSN 5965-00-417-8182
NSN 6220-00-872-3032
NSN 5895-01-519-7931
NSN 5930-01-602-9356
NSN 5998-00-201-0230
NSN 5910-00-189-1761
NSN 5855-00-337-3679
NSN 5920-01-131-2758
NSN 6130-01-433-0878