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 5998-00-275-2813
NSN 5905-01-651-5060
NSN 2925-01-179-7795
NSN 4140-01-031-0286
NSN 5855-01-052-7149
NSN 6620-01-559-1921
NSN 5930-01-426-1607
NSN 5930-01-624-1511
NSN 5960-01-567-1096
NSN 6620-01-633-8443
NSN 6685-01-188-7379
NSN 5925-01-142-1996