| COUNTERBORE DIAMETER | 0.442 INCHES MINIMUM AND 0.445 INCHES MAXIMUM NUT |
| HEAD HEIGHT | 0.054 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| HEAD MAJOR COUNTERSINK ANGLE | 75.75 DEGREES MINIMUM AND 76.25 DEGREES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.704 INCHES MINIMUM AND 0.708 INCHES MAXIMUM |
| HEAD MINOR COUNTERSINK ANGLE | 59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| HEAD MINOR DIAMETER | 0.598 INCHES MINIMUM AND 0.602 INCHES MAXIMUM |
| HEAD STYLE | ELIPTICAL COUNTERSUNK |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 305 OVERALL |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| NUT GRIP RANGE | +0.700 TO 0.760 INCHES |
| NUT DIAMETER | 0.537 INCHES MINIMUM AND 0.539 INCHES MAXIMUM |
| NUT LENGTH | 2.034 INCHES NOMINAL |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | CLOSED |
| SPECIAL FEATURES | SHANK END CHAMFER 45.00 DEG,1/4 NUT DIA LG |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 20 |