| MATERIAL | ALUMINUM ALLOY 2024 COLLAR |
| STEEL COMP 630 OR |
| STEEL COMP 631 WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-4-225/6 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS5528 ASSN STD 2ND MATERIAL RESPONSE WASHER |
| SURFACE TREATMENT | ANODIZE COLLAR |
| CADMIUM AND |
| CHROMATE WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE COLLAR |
| QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED COLLAR |
| COLLAR OUTSIDE DIAMETER | 0.465 INCHES MINIMUM AND |
| 0.475 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.605 INCHES MINIMUM AND |
| 0.625 INCHES MAXIMUM |
| COLLAR INSIDE DIAMETER | 0.270 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 28 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL |
| IDENTIFICATION CODE COLOR | GREEN |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 26512 |
| MFR SOURCE CONTROLLING REFERENCE | GN512ET4 |