A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6150-00-172-0431
NSN 6110-01-044-7367
NSN 6685-01-634-0611
NSN 5999-00-584-4577
NSN 5855-00-494-9581
NSN 6240-00-933-7641
NSN 6135-01-632-0470
NSN 6130-01-610-6020
NSN 6105-00-156-9084
NSN 5855-01-658-4510
NSN 5960-01-499-7172
NSN 6220-01-285-9683