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 5998-00-270-1179
NSN 6150-01-377-8540
NSN 7035-01-434-6134
NSN 6620-01-132-5190
NSN 5925-00-282-2459
NSN 6150-01-008-2573
NSN 4140-00-868-1817
NSN 6620-01-122-8455
NSN 5910-00-451-0992
NSN 5975-01-388-8993
NSN 5910-01-272-0212
NSN 6105-01-566-0058