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 6150-01-068-4307
NSN 2925-00-719-7912
NSN 5965-01-460-2766
NSN 5895-01-379-1937
NSN 6220-01-658-4536
NSN 6110-00-253-1881
NSN 6320-01-330-4634
NSN 6105-01-212-7812
NSN 5925-01-461-2756
NSN 5910-01-188-6858
NSN 7035-01-245-2858
NSN 5935-01-581-4659