A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6130-01-170-4059
NSN 6240-01-305-0908
NSN 6240-01-590-1347
NSN 4140-00-844-9436
NSN 5996-00-123-4826
NSN 6650-01-158-1871
NSN 5950-01-421-4138
NSN 6620-01-368-2723
NSN 6320-00-456-0836
NSN 5920-00-633-0404
NSN 6240-00-195-6308
NSN 6135-01-551-0562