| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.688 INCHES MINIMUM |
| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8630 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR |
| SAE ASSN STD ALL MATERIAL RESPONSES OR |
| MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TYPE Z CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| STYLE DESIGNATOR | ROUND BEND |
| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 6.501 INCHES NOMINAL |
| INSIDE DISTANCE BETWEEN SHANKS | 1.875 INCHES NOMINAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 80049 |
| DESIGN CONTROL REFERENCE | 51B6095A |