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 6150-00-240-0873
NSN 5950-01-617-8230
NSN 4140-01-407-3287
NSN 5996-01-537-5320
NSN 6240-01-581-0286
NSN 5998-01-393-7218
NSN 6145-01-572-3597
NSN 5975-01-512-8525
NSN 5996-01-052-4027
NSN 6110-01-268-1723
NSN 5960-01-458-6484
NSN 6130-01-046-1165