5310-01-088-2829 (60-058512-01)
NSN 5310-01-088-2829 (NIIN 01-088-2829) is a clinch self-locking nut in Federal Supply Class 5310, Nuts And Washers — 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. Manufacturer part number 60-058512-01 (Northrop Grumman Systems Corporation, CAGE 15280); also referenced as NCN-8-8-4 (Dar Electronics IncDba National).
Key specs: floating nut; full characteristics table below. NIIN assigned January 1980; DEMIL A (none required); unit of issue EA (each), $5.99 gov standard price; ships at 0.0054 lb / 0 cu ft.