| FIRST END STYLE | SQUARE |
| INSIDE DIAMETER | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| PIN OVERALL LENGTH | 1.255 INCHES MINIMUM AND 1.265 INCHES MAXIMUM |
| PIN OVERALL DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 4330VMOD G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |