| COUNTERBORE DIAMETER | 1.205 INCHES MINIMUM AND 1.215 INCHES MAXIMUM FIRST END |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| OVERALL HEIGHT | 1.162 INCHES MINIMUM AND 1.202 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 WASHER |
| MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING INSERT |
| MATERIAL | STEEL NUT |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| NUT COUNTERBORE DEPTH | 0.534 INCHES NOMINAL FIRST END |
| NUT HEIGHT | 0.333 INCHES NOMINAL |
| NUT STYLE | FLAT WITH TURNED BACK EDGE |
| WASHER OUTSIDE DIAMETER | 1.615 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE NUT |
| SURFACE TREATMENT | CHROMATE WASHER |
| TEMP RATING | 250.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 12 |