A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 5990-00-583-9920
NSN 6130-00-050-0859
NSN 5996-01-251-4900
NSN 6320-01-123-2476
NSN 6135-01-265-1384
NSN 5930-01-007-7314
NSN 5999-00-223-7147
NSN 6320-01-195-5583
NSN 6320-01-659-2819
NSN 6620-01-467-6795
NSN 5895-00-936-5510
NSN 6685-01-244-6388