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 6110-00-635-1954
NSN 6150-01-412-4817
NSN 6110-01-475-0371
NSN 5910-01-254-9372
NSN 6220-01-206-9812
NSN 5965-01-050-8447
NSN 5998-01-458-7715
NSN 5965-01-406-4164
NSN 4140-00-883-1115
NSN 4140-01-089-9724
NSN 6320-00-977-3930
NSN 5945-00-184-8721