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 5895-01-322-5563
NSN 6220-01-398-1933
NSN 5910-01-107-8001
NSN 5910-00-283-3706
NSN 5925-01-093-5961
NSN 5965-01-328-9765
NSN 6685-01-415-6663
NSN 6105-01-177-7476
NSN 5905-01-012-6804
NSN 6145-00-937-8233
NSN 5990-01-277-2118
NSN 5905-01-468-2558