| FASTENER LENGTH | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM |
| GRIP LENGTH | 0.875 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| HEAD HEIGHT | 0.098 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| HEAD STYLE | ERR-090 |
| HEAD MAJOR DIAMETER | 0.472 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | ERR-090 |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |