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 6110-01-606-7771
NSN 5945-00-485-4978
NSN 2925-01-308-6220
NSN 6685-00-448-1235
NSN 6610-00-504-2839
NSN 6130-01-138-7547
NSN 6150-01-266-2264
NSN 6620-00-915-0868
NSN 7035-01-607-6711
NSN 5855-01-575-6772
NSN 5996-00-707-6228
NSN 5925-01-366-0318