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 5945-01-069-2506
NSN 5965-01-322-8136
NSN 5996-00-501-4326
NSN 6220-00-298-9300
NSN 5960-00-932-8335
NSN 5985-01-358-7541
NSN 5975-01-023-1777
NSN 5835-00-477-3162
NSN 5855-01-147-6024
NSN 4140-00-189-0235
NSN 5975-00-384-8077
NSN 5935-01-521-3143