| DISTANCE FROM CENTER OF EYE TO SHANK END | 2.910 INCHES MINIMUM AND 3.090 INCHES MAXIMUM |
| EYE STOCK DIAMETER | 0.500 INCHES NOMINAL |
| EYE INSIDE DIAMETER | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 3.160 INCHES MINIMUM AND 3.340 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM S332 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-4672 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4137 OR STEEL COMP 4140 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK LENGTH | 2.660 INCHES MINIMUM AND 2.840 INCHES MAXIMUM |
| STYLE DESIGNATOR | ROUND, CLOSED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.040 INCHES MINIMUM AND 1.590 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 20 |