Color black
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.
NSN 5915-01-553-0710
NSN 5855-01-603-9045
NSN 5925-01-442-8589
NSN 4140-01-378-6603
NSN 5950-01-365-8040
NSN 6145-00-539-4832
NSN 5920-00-532-3926
NSN 5990-01-069-0365
NSN 6135-00-754-8191
NSN 5855-00-287-5870
NSN 6135-00-985-7846
NSN 5930-00-574-3277