A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6110-01-134-6550
NSN 6620-00-619-7769
NSN 5835-00-257-2852
NSN 6145-01-221-1874
NSN 6610-00-862-5901
NSN 6645-01-485-3517
NSN 5960-01-053-3753
NSN 6150-01-562-3139
NSN 6320-01-436-9228
NSN 2925-01-250-2731
NSN 6645-01-623-8825
NSN 5990-01-540-1619