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 5925-00-113-5066
NSN 5905-00-005-4874
NSN 4140-01-418-1894
NSN 5950-01-273-2184
NSN 5999-00-171-8858
NSN 5965-01-332-1931
NSN 6650-00-966-5205
NSN 5910-01-570-3929
NSN 7035-01-162-7452
NSN 6610-01-276-7766
NSN 5998-00-884-6254
NSN 5925-01-371-2876