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 5975-01-356-7563
NSN 5999-01-088-7539
NSN 5930-01-162-2951
NSN 6150-01-429-4248
NSN 6685-01-607-6481
NSN 5990-01-225-5374
NSN 5998-01-559-4043
NSN 5835-00-814-1359
NSN 5965-00-175-8972
NSN 5960-01-339-3037
NSN 6620-01-378-9193
NSN 6110-00-852-8003