A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5975-01-143-0147
NSN 5985-00-326-5547
NSN 5999-01-079-8698
NSN 5999-01-212-1109
NSN 5965-00-629-5568
NSN 4140-01-461-1649
NSN 5905-01-454-2682
NSN 5930-00-899-8112
NSN 5905-01-191-6451
NSN 5945-01-108-6043
NSN 5920-01-371-1199
NSN 5960-01-584-9452