No other part numbers with same form, fit, and function found.
A nut having wings designed for manual turning without driver or wrench with an integral feature incorporated for locking on the threads of a mating member.
NSN 5965-01-510-8740
NSN 2925-01-550-0177
NSN 6650-00-127-4581
NSN 4140-00-108-5688
NSN 5965-00-139-4870
NSN 5975-00-379-2388
NSN 4140-01-286-5632
NSN 5920-00-515-3617
NSN 5920-01-034-7221
NSN 5835-00-386-4966
NSN 6130-01-479-7127
NSN 6240-01-646-7098