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 2925-01-381-5307
NSN 5999-00-833-6333
NSN 6320-01-288-4783
NSN 6105-01-123-8887
NSN 5855-01-250-2421
NSN 5855-00-014-5008
NSN 5960-01-412-0619
NSN 5945-00-023-4213
NSN 6650-00-658-9627
NSN 6620-00-106-9658
NSN 6685-01-313-3933