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 6610-01-619-3928
NSN 5999-01-554-2818
NSN 5975-01-004-7966
NSN 6685-01-112-5127
NSN 5920-01-437-8850
NSN 6685-01-581-8729
NSN 5925-00-924-9596
NSN 5998-01-583-0596
NSN 5999-01-058-4324
NSN 6320-01-255-2096
NSN 5965-01-146-1311
NSN 6320-01-364-1840