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 6620-00-025-1889
NSN 6145-00-078-9917
NSN 6320-01-612-7035
NSN 5930-00-246-5215
NSN 6610-01-322-1394
NSN 5960-00-148-4492
NSN 5965-01-023-4965
NSN 5835-00-816-0394
NSN 5950-00-937-4599
NSN 5855-01-521-1922
NSN 5965-01-430-4292
NSN 5960-00-101-5461