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 6145-01-519-8210
NSN 6645-00-420-5072
NSN 6650-01-398-1117
NSN 6220-01-215-6273
NSN 5855-01-087-1417
NSN 6240-01-200-3453
NSN 2925-00-432-3410
NSN 6130-01-120-4617
NSN 5835-01-270-7899
NSN 5920-01-059-9368
NSN 6620-00-740-3699
NSN 5945-00-309-5293