A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5975-01-634-0678
NSN 5910-01-551-7047
NSN 6240-01-004-9634
NSN 6150-01-630-4916
NSN 6645-00-498-6869
NSN 5990-00-206-3753
NSN 5945-01-474-6059
NSN 6620-00-169-1609
NSN 6620-01-553-4096
NSN 5999-01-207-9095
NSN 5975-00-263-3379
NSN 5905-00-294-9445