| COUNTERBORE DIAMETER | 0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM NUT |
| HEAD HEIGHT | 0.048 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| HEAD MAJOR COUNTERSINK ANGLE | 75.75 DEGREES MINIMUM AND 76.25 DEGREES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD MINOR COUNTERSINK ANGLE | 59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| HEAD MINOR DIAMETER | 0.524 INCHES MINIMUM AND 0.528 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 | 0.375 INCHES |
| NUT GRIP RANGE | +0.700 TO 0.760 INCHES |
| NUT DIAMETER | 0.469 INCHES MINIMUM AND 0.471 INCHES MAXIMUM |
| NUT LENGTH | 1.879 INCHES NOMINAL |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| SHANK END TYPE | CLOSED |
| SPECIAL FEATURES | SHANK END CHAMFER 45.0 DEG,1/4 NUT DIA LG |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 24 |