| EFFECTIVE LENGTH | 1.250 INCHES NOMINAL |
| DIAMETER | 0.7501 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM |
| FIRST END LOCATION | OPPOSITE GROOVED END |
| FIRST END STYLE | SQUARE W/THRU HOLE |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 1.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| SPECIAL FEATURES | 0.314 IN. MIN. 0.324 IN. MAX. DIAMETER LONGITUDINAL HOLE; GROOVE END 0.312 IN. UNC-2B,0.594 IN. MIN. 0.655 IN. MAX. LENGTH |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END STYLE | SQUARE INTERNALLY THREADED |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 32.0 MICROINCHES OUTSIDE DIAMETER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TY M. CLASS 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| UNDERCUT DIAMETER | 0.617 INCHES MINIMUM AND 0.618 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.076 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |