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 6650-01-495-8031
NSN 4140-01-083-5870
NSN 5999-01-435-6568
NSN 5996-00-583-0607
NSN 5925-01-449-4509
NSN 7035-01-158-7673
NSN 5999-00-686-4037
NSN 6110-01-399-8587
NSN 6610-01-070-3660
NSN 5975-01-658-5292
NSN 6220-01-106-3215
NSN 6150-01-513-9941