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 6150-00-410-1975
NSN 6240-01-598-5733
NSN 4140-01-101-1165
NSN 5925-01-398-8244
NSN 6220-00-541-8515
NSN 5975-01-364-3004
NSN 6610-00-779-6934
NSN 5960-01-245-6088
NSN 5960-01-509-8779
NSN 5925-00-054-4152
NSN 5945-01-660-7299
NSN 6685-01-023-8007