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 5910-01-352-1053
NSN 6130-00-945-6619
NSN 6105-01-377-2198
NSN 6620-00-086-5223
NSN 6150-01-502-7774
NSN 6150-01-423-8870
NSN 5910-01-062-0518
NSN 6620-01-605-2590
NSN 5895-01-516-1973
NSN 5950-00-596-8102
NSN 6105-00-929-1526
NSN 6685-00-269-6444