| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.160 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4340 |
| NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.190 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.849 INCHES NOMINAL |
| SPECIAL FEATURES | 0.137 IN. MIN AND O.147 IN. MAX THD RELIEF,BOTH ENDS;0.032 IN RADIUS ON BOTH ENDS OF SHOULDER |
| STYLE DESIGNATOR | SHOULDERED |
| THREAD LENGTH | 0.238 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.238 INCHES NOMINAL STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD QUANTITY PER INCH | 32 STUD THREAD |