A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6240-00-226-0462
NSN 5920-01-462-0055
NSN 5960-01-116-2092
NSN 5945-00-508-2569
NSN 6135-01-110-9470
NSN 5905-01-130-1218
NSN 5960-01-243-0007
NSN 5945-01-321-8858
NSN 4140-01-115-3072
NSN 5990-01-529-6347
NSN 5950-01-113-6846
NSN 6320-00-404-3637