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 6220-00-629-8265
NSN 6135-01-357-0621
NSN 6145-00-719-7395
NSN 5960-01-160-3437
NSN 6645-01-163-9930
NSN 5965-01-429-9777
NSN 5905-01-435-4531
NSN 5998-01-066-4496
NSN 5960-01-023-8800
NSN 6135-00-152-8729
NSN 2925-00-631-0548
NSN 4140-01-012-2460