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 5925-01-411-6028
NSN 4140-01-117-1960
NSN 5950-00-737-0678
NSN 6685-01-322-8386
NSN 6610-00-846-4525
NSN 5990-01-038-5020
NSN 5835-01-062-2235
NSN 5965-01-157-7732
NSN 6110-01-180-1031
NSN 5990-01-571-7468
NSN 5999-00-913-6954
NSN 6620-01-470-9067