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 6650-00-840-9758
NSN 5920-01-565-5190
NSN 6135-00-702-2772
NSN 6130-01-435-6140
NSN 6110-01-501-5764
NSN 6650-01-367-8917
NSN 6130-00-982-7847
NSN 6685-01-020-8508
NSN 6240-00-239-0159
NSN 6105-00-076-4028
NSN 5990-01-516-9665
NSN 5910-00-764-3918