| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 18.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.5 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 53.0 MILLIMETERS MINIMUM AND |
| 57.0 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PLASTIC POLYURETHANE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-46168 MIL SPEC SINGLE TREATMENT RESPONSE OR |
| MIL-C-53039 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | GREEN OVERALL |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND |
| 39.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | SQUARE BEND |
| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 308.5 MILLIMETERS MINIMUM AND |
| 311.5 MILLIMETERS MAXIMUM |
| INSIDE DISTANCE BETWEEN SHANKS | 91.0 MILLIMETERS MINIMUM AND |
| 93.0 MILLIMETERS MAXIMUM |