Slots in upper portion
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 5915-00-278-5561
NSN 5855-01-122-9418
NSN 5960-01-467-7516
NSN 6320-00-336-9123
NSN 5996-01-418-8485
NSN 5925-01-552-9336
NSN 5950-01-004-9024
NSN 6685-01-547-7796
NSN 5895-00-872-6070
NSN 5925-00-525-4037
NSN 5950-00-234-4406
NSN 6320-01-029-2196