| COUNTERBORE DIAMETER | 0.258 INCHES MINIMUM AND 0.263 INCHES MAXIMUM NUT |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM NUT |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1212 OVERALL |
| 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 COUNTERBORE DEPTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| NUT STYLE | PLATE |
| NUT LENGTH | 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| PLATE THICKNESS | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNF |