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 6320-01-255-2096
NSN 6150-01-634-0575
NSN 6150-00-623-8864
NSN 5996-00-670-0881
NSN 5905-01-211-8314
NSN 5910-01-453-3079
NSN 6610-01-487-6102
NSN 5905-01-060-8735
NSN 6620-00-500-0041
NSN 5935-01-160-2578
NSN 6685-01-309-0118
NSN 5935-00-703-8599