Used to protect the radiosonde surface observing instrumentation system (rsois) from birds; bird spikes
No other part numbers with same form, fit, and function found.
NSN 4140-01-274-1942
NSN 6150-01-473-6880
NSN 5985-01-020-8259
NSN 6645-00-051-8888
NSN 5950-01-484-9318
NSN 5990-01-007-9483
NSN 5835-01-343-7516
NSN 6130-01-391-6517
NSN 5990-01-328-2385
NSN 5950-00-576-7242
NSN 5985-01-021-9578
NSN 6105-00-126-2620