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 5895-01-301-5574
NSN 6135-01-633-8502
NSN 5998-00-233-2372
NSN 6220-01-422-9707
NSN 5999-01-444-4275
NSN 5950-01-132-3338
NSN 5990-01-183-1897
NSN 5965-00-246-5612
NSN 6620-01-419-3524
NSN 6135-00-369-2368
NSN 6105-00-712-1758
NSN 5960-01-387-3573