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 5999-01-536-7760
NSN 6645-01-051-1453
NSN 5895-01-100-9840
NSN 6135-01-442-0888
NSN 5950-00-369-1408
NSN 5998-00-236-4895
NSN 5960-00-116-1965
NSN 6320-01-631-7828
NSN 5905-01-349-0205
NSN 4140-00-001-1536
NSN 5920-01-017-0687
NSN 2925-01-394-9658