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 4140-01-240-7531
NSN 2925-01-213-6622
NSN 5910-01-525-6942
NSN 6220-01-630-9369
NSN 6320-00-139-1090
NSN 5985-01-227-3753
NSN 6150-00-583-9878
NSN 5945-01-356-5736
NSN 5985-00-816-8486
NSN 6105-01-340-3107
NSN 6620-00-058-5225
NSN 6620-01-168-1615