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 6130-01-591-9661
NSN 6110-01-023-2248
NSN 6610-00-400-1252
NSN 6220-00-131-6582
NSN 6240-01-010-2991
NSN 6110-00-518-2998
NSN 5915-01-013-8995
NSN 5905-00-788-8895
NSN 5996-00-946-6106
NSN 6220-01-578-2435
NSN 2925-01-364-7926
NSN 6240-01-415-3014