Head markings indented at 120.0 degrees
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 5998-01-593-6365
NSN
NSN 5950-01-562-9532
NSN 5905-01-477-6742
NSN 6220-00-375-0473
NSN 6620-01-457-9476
NSN 5855-01-525-8017
NSN 6240-01-070-6028
NSN 5960-00-579-0298
NSN 5990-01-384-2697
NSN 6135-01-512-8740
NSN 6145-00-170-7947