| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| OVERALL LENGTH | 1.330 INCHES MINIMUM AND 1.370 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK LENGTH | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.337 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJEF |
| THREAD QUANTITY PER INCH | 28 |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.600 INCHES NOMINAL |