| DISTANCE FROM CENTER OF EYE TO SHANK END | 3.000 INCHES NOMINAL |
| DISTANCE BETWEEN EYES | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| EYE STOCK THICKNESS | 0.375 INCHES NOMINAL |
| FIRST EYE INSIDE DIAMETER | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 3.875 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SECOND EYE INSIDE DIAMETER | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
| SHANK LENGTH | 2.750 INCHES NOMINAL |
| SPECIAL FEATURES | EYE HOLES COUNTER BORE 0.406 IN. DIA,0.093 IN. DEEP |
| STYLE DESIGNATOR | DOUBLE, CLOSED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.110 INCHES MINIMUM AND 2.140 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |