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 6240-00-079-0112
NSN 5915-01-435-7893
NSN 5965-00-978-8535
NSN 6645-01-436-4542
NSN 6650-00-791-1637
NSN 6645-01-023-6756
NSN 6130-01-160-6610
NSN 5835-01-219-0586
NSN 5910-01-467-8948
NSN 6620-01-386-5914
NSN 6150-01-296-2123
NSN 5996-01-429-0390