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 2925-00-420-5566
NSN 5925-00-802-1243
NSN 5985-01-012-0948
NSN 5895-00-847-4751
NSN 6610-01-435-4387
NSN 6220-01-572-7959
NSN 5835-01-116-2369
NSN 6685-01-551-8619
NSN 5965-01-465-4370
NSN 5990-00-288-1820
NSN 6320-01-350-0320
NSN 6240-01-259-2090