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 6620-01-278-8028
NSN 4140-00-933-6375
NSN 5999-01-651-1177
NSN 6320-01-476-7702
NSN 6220-01-200-3410
NSN 5985-01-486-5621
NSN 5990-00-064-7229
NSN 6220-00-218-0857
NSN 5895-01-024-0528
NSN 6150-01-123-1838
NSN 6240-01-607-6252
NSN 5910-01-574-9765