| MATERIAL | STEEL COMP 8620 OR |
| STEEL COMP 8640 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE AND |
| AISI ASSN STD 2ND MATERIAL RESPONSE AND |
| SAE ASSN STD 3RD MATERIAL RESPONSE |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| STYLE DESIGNATOR | BALL |
| HEAD DIAMETER | 1.750 INCHES NOMINAL |
| TAPER MINOR DIAMETER | 1.076 INCHES MINIMUM AND |
| 1.080 INCHES MAXIMUM |
| BODY LENGTH | 1.281 INCHES NOMINAL |
| NECK DIAMETER | 0.938 INCHES NOMINAL |
| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.688 INCHES NOMINAL |
| OVERALL LENGTH | 4.781 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD SIZE | 0.875 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 14 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.156 INCHES NOMINAL |
| HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND |
| 52.0 ROCKWELL C MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.266 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 72210 |
| DESIGN CONTROL REFERENCE | S18577 |