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 6105-01-481-0322
NSN 2925-00-422-5159
NSN 5975-00-464-7535
NSN 6240-01-062-7922
NSN 5945-00-903-6072
NSN 5999-01-049-8352
NSN 2925-00-149-0760
NSN 5905-01-035-8074
NSN 6105-00-138-0616
NSN 5999-00-728-5559
NSN 5965-00-007-7863
NSN 5835-01-045-3371