Slots in upper portion
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 5930-00-510-1864
NSN 5925-00-241-1441
NSN 5915-01-487-3883
NSN 5835-00-949-3018
NSN 6130-01-589-9214
NSN 5835-00-233-6327
NSN 6150-00-296-2361
NSN 6240-01-623-3798
NSN 6620-00-912-0255
NSN 4140-01-450-8961
NSN 5935-01-099-0017
NSN 5855-01-643-6465