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 5920-01-371-3112
NSN 5975-01-442-4646
NSN 5990-00-617-1422
NSN 4140-00-946-2705
NSN 7035-01-579-4029
NSN 5990-01-196-2953
NSN 5965-01-437-0905
NSN 6130-01-055-6846
NSN 5950-00-681-2996
NSN 6150-01-415-9874
NSN 6150-01-160-9124
NSN 5990-00-824-4654