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 5855-01-149-4110
NSN 6105-01-031-6588
NSN 5998-01-148-2334
NSN 5920-00-184-2100
NSN 5965-00-247-4886
NSN 6110-00-822-1291
NSN 5910-01-510-9454
NSN 4140-00-702-8678
NSN 5945-00-341-5272
NSN 6685-01-634-0611
NSN 5835-00-995-0277
NSN 5945-01-585-0712