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 6645-01-091-0009
NSN 5905-01-229-7520
NSN 5905-00-801-0142
NSN 5990-00-754-5253
NSN 5985-01-060-5388
NSN 2925-00-933-0200
NSN 6135-01-142-6456
NSN 5905-00-468-0570
NSN 5996-01-364-0333
NSN 5950-01-122-1579
NSN 6150-00-752-8554
NSN 6105-01-359-2962