Used on anesthesia machine
No other part numbers with same form, fit, and function found.
A nut having wings designed for manual turning without driver or wrench.
NSN 5985-01-269-7381
NSN 5930-00-287-0983
NSN 6130-00-061-7486
NSN 5945-00-803-0785
NSN 6320-01-386-3491
NSN 5935-00-584-4584
NSN 5920-01-429-9059
NSN 5999-01-418-4318
NSN 4140-01-314-5718
NSN 6620-01-014-6913
NSN 5915-01-271-9691
NSN 6650-00-149-8865