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 5945-01-534-2447
NSN 5920-01-634-0250
NSN 6145-00-182-9797
NSN 6240-01-307-6999
NSN 5965-01-204-1423
NSN 5935-01-488-9653
NSN 6220-00-061-1522
NSN 5965-00-185-9687
NSN 6645-00-881-9978
NSN 6620-00-479-9425
NSN 5920-01-660-0352
NSN 6650-01-278-2151