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 6105-01-447-2984
NSN 4140-00-210-0552
NSN 6645-00-226-2270
NSN 6220-01-391-6084
NSN 5996-01-440-9660
NSN 5925-01-071-6671
NSN 5990-01-199-4832
NSN 2925-00-513-6644
NSN 6105-01-299-6390
NSN 4140-00-257-5215
NSN 5835-01-290-4397
NSN 5915-00-578-5559