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 5930-01-556-6195
NSN 5935-00-485-2815
NSN 5855-00-198-3197
NSN 6135-01-204-8712
NSN 5950-00-673-2612
NSN 6220-01-141-6900
NSN 5855-01-107-5925
NSN 5920-01-506-5761
NSN 5915-00-972-1605
NSN 6240-01-198-7929
NSN 5835-01-033-5185
NSN 2925-00-989-0523