| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.500 INCHES MINIMUM |
| MATERIAL | STEEL COMP 1340 OR |
| STEEL COMP 4042 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TY Z CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 229.0 BRINELL STANDARD MINIMUM AND |
| 293.0 BRINELL STANDARD MAXIMUM OVERALL |
| STYLE DESIGNATOR | ROUND BEND |
| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 13.875 INCHES MINIMUM AND |
| 13.937 INCHES MAXIMUM |
| INSIDE DISTANCE BETWEEN SHANKS | 4.188 INCHES NOMINAL |