A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6320-01-466-4175
NSN 6150-01-446-7659
NSN 6110-01-341-9209
NSN 2925-00-159-9003
NSN 5999-01-413-6841
NSN 5905-01-200-7445
NSN 6685-01-411-7113
NSN 6220-01-108-3857
NSN 5990-00-212-4316
NSN 6650-00-773-2030
NSN 5920-01-394-5003
NSN 5910-00-295-6194