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 5990-00-284-0537
NSN 6645-00-256-4072
NSN 6685-00-440-6517
NSN 5998-01-232-3492
NSN 5925-01-519-8906
NSN 4140-00-443-9732
NSN 6240-00-034-5909
NSN 6650-01-399-8552
NSN 6240-01-323-7032
NSN 6650-00-405-6323
NSN 5950-01-548-2765
NSN 5985-00-581-9754