| MATERIAL | ALUMINUM ALLOY 2024 BODY |
| STEEL COMP 630 OR |
| STEEL COMP 631 WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5528 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5520 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| SURFACE TREATMENT | ANODIZE COLLAR |
| CADMIUM WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND |
| MIL-L-8937 MIL SPEC 2ND TREATMENT RESPONSE BODY |
| QQ-P-416,TYPE I,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| COLLAR OUTSIDE DIAMETER | 0.465 INCHES MINIMUM AND |
| 0.475 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.587 INCHES MINIMUM AND |
| 0.607 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 |
| IDENTIFICATION CODE COLOR | NATURAL |
| FEATURES PROVIDED | WASHER |