| MATERIAL | STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND D MIL SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY1 CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | BALL |
| HEAD DIAMETER | 1.875 INCHES NOMINAL |
| NECK DIAMETER | 0.940 INCHES NOMINAL |
| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.938 INCHES NOMINAL |
| DISTANCE ACROSS FLATS | 2.000 INCHES NOMINAL |
| OVERALL LENGTH | 4.438 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 14 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.670 INCHES NOMINAL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.220 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 27051 |
| DESIGN CONTROL REFERENCE | 111419-1 |