A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole.
NSN 5910-01-088-6091
NSN 5895-00-203-2379
NSN 5910-00-837-5627
NSN 5905-01-486-6587
NSN 5915-01-390-0659
NSN 6110-01-651-9202
NSN 5935-00-745-7885
NSN 5950-01-556-7010
NSN 5985-01-553-8626
NSN 5895-01-113-9039
NSN 5935-00-800-7701
NSN 6220-01-364-7808