A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 4140-01-407-8980
NSN 5835-01-466-5496
NSN 5965-01-229-0786
NSN 6130-01-103-8480
NSN 6645-01-238-7419
NSN 5835-00-823-6116
NSN 5999-01-281-7525
NSN 6645-01-154-3080
NSN 2925-01-354-1752
NSN 6645-01-381-2050
NSN 5905-00-760-5178
NSN 5990-01-154-7296