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 5975-00-481-0511
NSN 5999-01-247-7289
NSN 6240-01-633-9357
NSN 5999-00-593-8817
NSN 5855-00-560-0110
NSN 6610-01-091-3740
NSN 5910-00-879-1809
NSN 5925-00-795-4958
NSN 5965-01-150-6315
NSN 5855-01-023-3727
NSN 5905-01-122-7556
NSN 6130-01-378-7082