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 6105-01-435-5530
NSN 6220-01-155-0859
NSN 5999-01-075-4811
NSN 6685-01-331-8337
NSN 6220-01-469-6731
NSN 5910-01-466-5909
NSN 5945-00-985-0130
NSN 7035-01-350-4247
NSN 4140-01-250-2600
NSN 5950-01-614-1683
NSN 5960-00-519-9880
NSN 6110-01-358-8102