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 5835-01-123-8305
NSN 5925-01-437-8542
NSN 6240-01-184-5004
NSN 6320-01-232-4664
NSN 5960-01-461-9284
NSN 6610-01-617-6495
NSN 7035-00-946-2642
NSN 5855-00-532-0025
NSN 5998-00-007-3381
NSN 5905-01-233-2040
NSN 6320-01-072-2073
NSN 5999-01-089-2905