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 6620-01-434-6538
NSN 6110-01-020-4309
NSN 5935-01-543-3074
NSN 5960-01-426-4242
NSN 5965-01-378-6937
NSN 6650-01-062-0828
NSN 6130-01-579-2183
NSN 6645-01-233-1131
NSN 5990-01-612-5323
NSN 5915-01-179-1661
NSN 5965-01-437-9721
NSN 5905-01-215-1546