Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a calibrator, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5999-01-574-8300
NSN 5925-01-248-9250
NSN 5930-00-596-4523
NSN 5835-01-307-8954
NSN 6685-00-166-0761
NSN 6610-01-517-6425
NSN 5950-01-010-5429
NSN 5895-01-251-4716
NSN 6150-01-249-6324
NSN 6145-01-444-1668
NSN 6105-01-100-4235
NSN 5855-01-364-1005