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 6610-01-258-6206
NSN 5920-01-537-3998
NSN 5985-01-212-2621
NSN 6105-00-986-2564
NSN 6645-01-600-0772
NSN 5925-01-158-5008
NSN 5910-01-245-6089
NSN 6130-00-471-5067
NSN 5935-01-068-3228
NSN 6220-00-926-1331
NSN 6320-01-098-2503
NSN 5910-00-028-4323