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 5895-00-988-0865
NSN 6130-01-365-1551
NSN 5998-01-652-0717
NSN 6610-00-028-2222
NSN 6240-00-643-4532
NSN 2925-00-051-1467
NSN 5920-01-201-9144
NSN 5960-00-628-2003
NSN 6220-01-487-2229
NSN 6620-01-590-7035
NSN 5965-01-583-1507
NSN 5999-01-242-8140