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 5950-00-353-1421
NSN 4140-00-488-9468
NSN 6130-01-215-7109
NSN 6620-01-087-2354
NSN 5960-01-446-4446
NSN 5996-00-205-2933
NSN 5998-00-086-0117
NSN 5996-01-602-3992
NSN 5990-01-559-0578
NSN 6650-01-092-0017
NSN 5920-01-462-5065
NSN 5930-00-470-8146