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 4140-00-833-6239
NSN 2925-01-277-5882
NSN 6105-01-429-0232
NSN 5998-01-604-9402
NSN 6320-00-894-1644
NSN 5920-01-116-6630
NSN 6150-00-288-6245
NSN 5925-01-087-4854
NSN 6150-01-289-4579
NSN 4140-01-239-7508
NSN 6620-01-391-7331
NSN 6130-01-465-2582