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 5835-01-209-6410
NSN 5905-01-075-8898
NSN 7035-01-165-9120
NSN 5985-00-115-7188
NSN 6610-01-592-4150
NSN 6135-01-231-4809
NSN 6650-01-426-2729
NSN 5950-01-506-4694
NSN 6130-01-368-6734
NSN 5895-00-596-8678
NSN 5935-01-067-1255
NSN 6685-01-005-5497