On side opposite extended washer six equally spaced slots 0.073 in. Min 0.088 in. Max wide by 0.094 in. Deep
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Nuts of iron or steel
NSN 6645-00-279-1777
NSN 5950-01-485-3518
NSN 6650-00-816-6525
NSN 5910-01-299-8633
NSN 6650-01-519-9165
NSN 6145-01-564-1521
NSN 5925-00-250-0698
NSN 5930-00-794-4447
NSN 6105-01-168-8335
NSN 5996-00-102-5425
NSN 5920-00-958-1526
NSN 5999-01-134-2489