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 6650-00-544-5497
NSN 5910-01-096-3434
NSN 6135-00-998-5884
NSN 6135-01-199-1185
NSN 5920-00-976-3076
NSN 6685-00-516-2173
NSN 7035-01-657-4764
NSN 6650-00-888-7956
NSN 5999-01-252-8812
NSN 5950-01-421-1788
NSN 5996-01-433-7082
NSN 6110-00-934-7943