| FIRST END LOCATION | THREADED END |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER LENGTH | 0.058 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 1.380 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHOULDER DIAMETER | 0.740 INCHES MINIMUM AND 0.745 INCHES MAXIMUM |
| SECOND END OUTER RADIUS | 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END STYLE | OVAL |
| SHANK DIAMETER | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| SHANK LENGTH | 0.630 INCHES NOMINAL |
| SPECIAL FEATURES | TWO PARALLEL FLATS ON SHOULDER 0.612 IN. MIN. AND 0.625 IN. MAX. WIDE; SHOULDER OF PIN PHOSPHATE COAT,MIL-P-50002 TYPE M OR Z CLASS 2 |
| STYLE DESIGNATOR | SHOULDER |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.510 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |