Wrenching facility per ms33787-20
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 5935-00-233-7526
NSN 5990-01-262-4068
NSN 5835-01-485-0210
NSN 5905-01-100-3956
NSN 6130-01-203-7526
NSN 5925-01-384-2670
NSN 5996-01-480-3807
NSN 6320-01-585-8468
NSN 5996-00-626-3766
NSN 5945-01-597-7568
NSN 6320-00-521-9350
NSN 5990-01-424-2954