A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6220-00-205-2040
NSN 5996-01-232-7395
NSN 5925-00-431-3256
NSN 5930-01-008-5115
NSN 6650-00-390-3568
NSN 5950-01-549-6196
NSN 5905-00-677-2312
NSN 4140-01-441-2330
NSN 2925-01-068-3844
NSN 5930-01-519-3801
NSN 6240-01-399-0343
NSN 6220-00-364-1605