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 6150-01-450-8980
NSN 6105-01-069-6302
NSN 6610-01-370-3886
NSN 4140-00-408-9989
NSN 4140-00-529-7463
NSN 6130-01-231-6389
NSN 5975-01-089-9862
NSN 5835-01-528-1864
NSN 6320-00-164-4087
NSN 5930-00-523-8272
NSN 5985-01-526-1012
NSN 5950-01-371-2588