A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 4140-00-273-9884
NSN 6645-01-389-1970
NSN 6650-01-484-5014
NSN 4140-01-370-4868
NSN 6150-00-753-3950
NSN 5895-01-456-2836
NSN 5999-01-414-7667
NSN 6105-00-322-9430
NSN 5996-01-570-1026
NSN 6645-01-060-5916
NSN 4140-01-304-7412
NSN 6130-01-380-3458