Nut self-locking
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 4140-00-116-1022
NSN 5950-01-521-1127
NSN 5985-01-120-8871
NSN 6130-01-413-3343
NSN 5975-00-174-9126
NSN 6650-01-607-5817
NSN 6645-01-452-9495
NSN 6105-01-634-0322
NSN 4140-01-560-8223
NSN 4140-01-476-8731
NSN 5990-00-239-3432
NSN 6240-01-485-0008