| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| STEEL OVERALL EXCEPT INSERT |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.562 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3B |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2; CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL EXCEPT INSERT |
| NUT LENGTH | 1.727 INCHES MAXIMUM |
| NUT HEIGHT | 0.623 INCHES MINIMUM AND |
| 0.656 INCHES MAXIMUM |
| PLATE THICKNESS | 0.115 INCHES MAXIMUM |
| PLATE WIDTH | 0.902 INCHES MINIMUM AND |
| 0.953 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND |
| 102.0 DEGREES MAXIMUM NUT |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.161 INCHES MINIMUM AND |
| 0.165 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.683 INCHES MINIMUM AND |
| 0.693 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 1.373 INCHES MINIMUM AND |
| 1.377 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |