Safety critical thread per federal standard h28/20 system 22
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 6320-00-521-9350
NSN 6220-01-494-2252
NSN 5910-01-554-2308
NSN 5905-00-915-1419
NSN 6645-01-029-4525
NSN 6110-00-852-8003
NSN 6220-01-421-4091
NSN 2925-01-197-7864
NSN 7035-01-513-2501
NSN 5895-00-370-8115
NSN 6685-01-346-6711
NSN 6645-01-148-4703