| HEAD STYLE | ELIPTICAL COUNTERSUNK |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | DOMED NUT,ELLIPTICAL HEAD OVERSIZE, PASSIVATED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 304 OVERALL |
| NOMINAL THREAD SIZE | 0.437 INCHES |
| NUT DIAMETER | 0.448 INCHES MINIMUM AND 0.452 INCHES MAXIMUM |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | CLOSED |
| SPECIAL FEATURES | GRIP LENGTH 0.540 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-A-967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 20 |