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 6650-00-901-4914
NSN 5915-01-478-7464
NSN 5975-01-270-1429
NSN 5998-01-275-3090
NSN 5920-00-070-8712
NSN 6110-01-388-6933
NSN 5930-01-364-0510
NSN 6110-01-526-2487
NSN 5975-01-243-1108
NSN 6240-00-146-9322
NSN 6110-01-591-5880
NSN 5945-01-423-5221