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 5855-00-058-1293
NSN 5999-00-597-5054
NSN 5905-01-009-4442
NSN 5925-01-656-0165
NSN 6645-00-998-2918
NSN 6645-00-443-8011
NSN 5985-01-068-6807
NSN 6135-01-010-0891
NSN 2925-01-300-6602
NSN 6650-01-479-1297
NSN 5930-01-607-0020
NSN 6145-01-069-5286