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 5930-01-386-5571
NSN 4140-01-452-2980
NSN 6610-00-937-3798
NSN 5985-01-299-0902
NSN 6105-01-566-4851
NSN 7035-00-312-3055
NSN 5950-01-077-1715
NSN 6240-01-209-5321
NSN 5999-00-617-1122
NSN 6130-01-447-3164
NSN 6105-01-396-4421
NSN 5998-00-201-1279