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 4140-01-534-4823
NSN 5920-01-113-7787
NSN 6685-01-519-9250
NSN 5910-01-272-5453
NSN 6320-01-304-3639
NSN 6130-00-356-4157
NSN 6130-00-123-7959
NSN 5915-01-139-3604
NSN 6135-00-027-3914
NSN 5920-01-376-4926
NSN 6135-00-932-3136
NSN 5945-01-449-3957