No other part numbers with same form, fit, and function found.
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Classification: Nuts of iron or steel
NSN 5915-00-649-0561
NSN 5930-00-207-9422
NSN 5835-01-564-5575
NSN 5998-01-212-7836
NSN 6610-00-236-7175
NSN 6130-00-141-8317
NSN 7035-01-386-5722
NSN 5998-01-589-2133
NSN 6240-01-160-7430
NSN 5990-01-056-6413
NSN 6220-01-634-0660
NSN 6320-01-578-6006