| COLLAR INSIDE DIAMETER | 0.357 INCHES NOMINAL |
| COLLAR OUTSIDE DIAMETER | 0.635 INCHES MINIMUM AND 0.645 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.780 INCHES MINIMUM AND 0.800 INCHES MAXIMUM |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED COLLAR |
| IDENTIFICATION CODE COLOR | BLACK |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATERIAL | STEEL COMP 630 OR STEEL COMP 631 WASHER |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT | ANODIZE COLLAR |
| SURFACE TREATMENT | CADMIUM AND CHROMATE WASHER |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |