A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 2925-01-037-5383
NSN 6610-01-325-2585
NSN 5855-01-535-0971
NSN 6685-01-634-0611
NSN 6130-01-296-3977
NSN 5985-01-167-3425
NSN 6135-01-245-5876
NSN 6645-01-023-8020
NSN 5990-01-248-4605
NSN 6150-01-218-4507
NSN 4140-01-508-4512
NSN 6645-01-444-3016