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 6610-00-231-5266
NSN 5960-00-225-6731
NSN 6110-00-439-4088
NSN 4140-01-282-3466
NSN 5930-00-283-0962
NSN 5950-01-485-3518
NSN 5920-01-395-7586
NSN 5999-00-144-2303
NSN 5965-01-191-0735
NSN 5925-00-197-4329
NSN 5990-00-065-3617
NSN 5895-01-222-1245