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 5935-00-369-9756
NSN 5950-01-307-4005
NSN 5920-00-836-6983
NSN 7035-01-524-0409
NSN 4140-01-572-0906
NSN 6130-01-390-5612
NSN 6685-01-581-4489
NSN 5999-01-386-3991
NSN 6110-01-313-8327
NSN 6320-00-925-0558
NSN 6130-01-137-1388
NSN 5915-01-408-9909