4" sq illuminated; reference data, wind measuring system, series type 420c, pg 1-3
An item which indicates wind speed from intelligence transmitted by a wind speed transmitter.
Classification: Parts and accessories for surveying
NSN 6130-00-253-3901
NSN 6610-01-261-0648
NSN 5960-00-594-0824
NSN 6240-01-272-5893
NSN 5960-01-627-6547
NSN 4140-00-328-1527
NSN 6685-01-102-5189
NSN 5910-01-493-2132
NSN 4140-00-724-1296
NSN 5930-01-208-6300
NSN 6650-00-751-9958
NSN 5975-01-485-6474