Reference data, pt 6990.1, vol 1, fa 7861, pg xiv, typical application
Classification: Surveying, hydrographic, oceanographic, hydrological or meteorological instruments and appliances, excluding compasses and rangefinders, nesoi
NSN 5960-00-709-5068
NSN 5965-01-611-6085
NSN 6240-00-509-2485
NSN 5950-01-346-3902
NSN 5915-00-894-3825
NSN 6320-01-519-8767
NSN 6610-01-486-4522
NSN 5960-00-866-0232
NSN 6135-00-998-5884
NSN 6650-01-605-9181
NSN 5998-01-089-7572
NSN 6320-00-360-1744