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 6645-01-139-0156
NSN 5975-00-351-4405
NSN 5990-01-138-1481
NSN 5905-01-451-5038
NSN 5835-00-051-9092
NSN 2925-00-408-9829
NSN 5925-01-468-3322
NSN 5985-00-104-5981
NSN 5855-01-100-3272
NSN 5975-00-871-3582
NSN 6135-00-660-8654
NSN 5999-00-844-2729