Per mcmaster carr part number has multiple sources and oem could not be provided
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 5990-01-579-2711
NSN 6645-00-171-9639
NSN 6220-01-287-6029
NSN 5996-01-545-7932
NSN 2925-00-163-9016
NSN 5935-00-362-3873
NSN 6240-01-210-7052
NSN 6130-01-445-6165
NSN 6110-00-482-3372
NSN 6610-00-275-8555
NSN 5935-00-005-2643
NSN 5905-01-536-7024