Double hexagon
A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5960-01-656-6343
NSN 5996-01-091-4836
NSN 6220-01-459-8017
NSN 5990-01-548-3711
NSN 6220-01-046-4729
NSN 5920-00-280-4465
NSN 5925-01-255-3371
NSN 5905-00-419-0106
NSN 6110-00-801-8032
NSN 6150-01-032-4114
NSN 5960-00-879-5351
NSN 6620-01-653-7644