| DIAMETER OF RECESSED PORTION OF SHANK | 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.105 INCHES NOMINAL |
| OVERALL LENGTH | 1.352 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP E4340 |
| NOMINAL THREAD SIZE | 0.875 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| SPECIAL FEATURES | SOCKET RECESS DRIVE IN STUD END WITH 0.313 IN. MIN TO 0.315 IN MAX IN W BETWEEN FLATS |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD LENGTH | 0.232 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 LENGTH | 0.570 INCHES NOMINAL NUT THREAD |
| THREAD SERIES DESIGNATOR | UNEF STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |