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 5945-01-459-7700
NSN 5985-01-533-5691
NSN 6220-01-356-5919
NSN 5985-01-527-4467
NSN 6685-01-089-8066
NSN 6240-00-016-7794
NSN 5996-01-347-0566
NSN 4140-01-422-2226
NSN 7035-00-631-3782
NSN 6620-01-519-2628
NSN 5835-00-518-4507
NSN 2925-00-925-0545