| CENTER TO CENTER DISTANCE BETWEEN HOLES | 0.500 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 0.600 INCHES NOMINAL |
| FIRST END STYLE | SQUARE |
| FIRST END LOCATION | SHOULDER END |
| FIRST HOLE DIAMETER | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HOLE ARRANGEMENT STYLE | BOTH END DRILLED |
| OVERALL LENGTH | 1.320 INCHES MINIMUM AND 1.340 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND F FINISH 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| SECOND END STYLE | CHAMFERED |
| SECOND END TAPER ANGLE | 15.0 DEGREES NOMINAL |
| SECOND END TAPER LENGTH | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| SECOND END TIP RADIUS | 0.062 INCHES MAXIMUM |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND HOLE DIAMETER | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM |
| SHANK LENGTH | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| SHOULDER WIDTH ACROSS FLATS | 0.620 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |