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 6110-00-159-0755
NSN 5950-00-006-6382
NSN 6130-01-425-2174
NSN 5910-00-754-0444
NSN 6320-01-422-1212
NSN 5925-01-134-6208
NSN 6620-00-409-4975
NSN 5910-01-270-8068
NSN 6110-00-244-4907
NSN 5930-01-634-0659
NSN 5950-01-128-4555
NSN 4140-00-540-6731