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 6220-01-086-8775
NSN 5996-00-799-8838
NSN 6650-00-382-0837
NSN 5975-01-602-9402
NSN 5999-00-583-7949
NSN 5935-00-682-4326
NSN 5999-01-271-8567
NSN 6685-01-529-6504
NSN 5855-01-010-4921
NSN 7035-01-155-9025
NSN 5960-01-491-2993
NSN 5996-00-402-6071