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 2925-01-304-2127
NSN 6220-01-207-7229
NSN 5925-01-513-8742
NSN 6645-00-295-8535
NSN 6135-01-213-7339
NSN 6150-00-222-5302
NSN 6610-01-229-3679
NSN 5960-01-196-3344
NSN 2925-00-833-9466
NSN 5895-01-587-8751
NSN 5930-00-974-9996
NSN 5895-00-856-4917