| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 4037 BODY |
| ALUMINUM ALLOY 2024 WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE COLLAR |
| ANODIZE WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE WASHER |
| HARDNESS RATING | 46.0 ROCKWELL C MAXIMUM COLLAR |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED WASHER |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| COLLAR OUTSIDE DIAMETER | 0.365 INCHES NOMINAL |
| COLLAR OVERALL HEIGHT | 0.450 INCHES MINIMUM AND |
| 0.475 INCHES MAXIMUM |
| COLLAR INSIDE DIAMETER | 0.208 INCHES MINIMUM AND |
| 0.212 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 32 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | DRY FILM AND |
| CETYL ALCOHOL |
| SPECIAL FEATURES | WASHER COLOR BLUE |