| COLLAR OUTSIDE DIAMETER | 0.575 INCHES NOMINAL |
| COLLAR OVERALL HEIGHT | 0.430 INCHES NOMINAL |
| HARDNESS RATING | 46.0 ROCKWELL C MAXIMUM COLLAR |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED WASHER |
| LUBRICATION | CETYL ALCOHOL AND DRY FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL | ALUMINUM ALLOY 2024 WASHER |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4037 BODY |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SPECIAL FEATURES | WASHER COLOR RED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT | ANODIZE WASHER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE COLLAR |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |