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 6240-01-535-2078
NSN 6610-01-654-8929
NSN 6650-01-406-9852
NSN 5965-00-553-6898
NSN 5985-00-295-7461
NSN 2925-00-149-0760
NSN 6645-01-398-2505
NSN 5915-00-141-0410
NSN 5910-01-176-6296
NSN 5996-00-050-0907
NSN 6135-01-445-6589
NSN 6650-01-421-4024