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 6135-00-170-8819
NSN 5930-01-181-8835
NSN 5985-01-081-4498
NSN 5835-01-540-4995
NSN 5910-00-503-4670
NSN 5965-01-527-1220
NSN 5910-00-037-7550
NSN 5935-01-648-3745
NSN 5920-01-496-0344
NSN 5920-01-361-5221
NSN 5999-00-455-9875
NSN 6610-01-078-5270