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 6135-01-548-1423
NSN 6320-01-461-5866
NSN 5998-00-276-1144
NSN 6145-01-315-1620
NSN 5945-01-099-2505
NSN 6610-00-875-7639
NSN 7035-00-703-3535
NSN 6645-00-983-2046
NSN 5935-01-541-4521
NSN 6145-01-127-8691
NSN 5855-01-112-7725
NSN 5915-01-571-2265