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 6135-00-170-8819
NSN 2925-00-332-1361
NSN 5975-00-687-2196
NSN 5945-01-571-3565
NSN 6620-00-136-3468
NSN 5965-01-660-2183
NSN 5935-01-574-7297
NSN 5960-01-030-6407
NSN 6650-00-142-6147
NSN 5915-00-807-0203
NSN 6320-00-270-8222
NSN 5999-01-582-1957