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 4140-01-492-8123
NSN 6130-01-498-4700
NSN 6150-01-339-9694
NSN 5930-00-413-1323
NSN 5855-00-586-6255
NSN 6645-01-337-8292
NSN 5835-00-513-9680
NSN 6645-00-658-7838
NSN 5930-01-323-4996
NSN 5965-00-185-9687
NSN 5960-01-523-9098
NSN 6145-01-018-6539