Two drive points, at 180 degree angle, have been omitted
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5910-00-673-3563
NSN 6135-01-390-1841
NSN 6145-01-025-7857
NSN 6240-01-400-1311
NSN 6645-00-806-6961
NSN 5910-01-527-5064
NSN 5985-01-394-5949
NSN 6620-00-816-9755
NSN 6220-01-442-6733
NSN 6610-00-456-0485
NSN 5996-00-160-1772
NSN 2925-01-359-4027