A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Nuts of iron or steel
NSN 6240-00-713-0237
NSN 5975-01-627-6534
NSN 5945-00-231-4948
NSN 2925-01-327-3069
NSN 6685-00-135-1353
NSN 6610-00-908-3698
NSN 5915-00-877-7338
NSN 6130-01-281-5368
NSN 5930-01-568-1054
NSN 5990-00-466-2952
NSN 6645-01-368-1508
NSN 5950-01-148-9209