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 6320-01-350-5570
NSN 6610-01-406-4985
NSN 5990-00-252-1702
NSN 6135-01-377-5729
NSN 5920-01-458-3672
NSN 6135-01-265-1384
NSN 5905-01-323-8539
NSN 5975-00-644-4972
NSN 6645-01-163-6144
NSN 2925-01-238-9974
NSN 5975-00-366-7440
NSN 5915-00-612-1423