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 6110-00-033-5444
NSN 6645-00-269-8440
NSN 5990-01-633-9503
NSN 5985-00-876-8576
NSN 5975-01-347-8402
NSN 5975-01-364-8662
NSN 5920-00-893-8679
NSN 6135-01-136-8306
NSN 6240-00-555-6347
NSN 5910-01-551-8720
NSN 5855-00-185-1560
NSN 5960-00-451-4287