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 6620-01-477-3720
NSN 5935-01-409-2947
NSN 6220-00-130-6215
NSN 5965-01-113-9061
NSN 5960-01-003-8480
NSN 6620-01-412-5514
NSN 5990-01-188-7309
NSN 6650-01-406-3086
NSN 6685-01-323-7840
NSN 5965-01-167-8513
NSN 6110-00-455-9347
NSN 5999-01-149-3583