| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL NUT |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.500 INCHES NOMINAL |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATERIAL | STEEL COMP 1212 OVERALL EXCEPT INSERT |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.438 INCHES NOMINAL |
| NUT LENGTH | 1.328 INCHES NOMINAL |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| PLATE THICKNESS | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| PLATE WIDTH | 0.688 INCHES NOMINAL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 28 |