| HEAD HEIGHT | 0.040 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| HEAD MINOR COUNTERSINK ANGLE | 59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| HEAD MINOR DIAMETER | 0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| HEAD STYLE | ELIPTICAL COUNTERSUNK |
| HEAD MAJOR COUNTERSINK ANGLE | 75.75 DEGREES MINIMUM AND 76.25 DEGREES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 305 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT DIAMETER | 0.325 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| NUT GRIP RANGE | +0.280 TO 0.340 INCHES |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| NUT LENGTH | 0.727 INCHES NOMINAL |
| SHANK END TYPE | OPEN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 28 |