| DISTANCE ACROSS FLATS | 0.562 INCHES NOMINAL |
| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.208 INCHES NOMINAL |
| HEAD DIAMETER | 0.510 INCHES MINIMUM AND 0.512 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1117 OR STEEL COMP 1215 |
| NECK DIAMETER | 0.290 INCHES NOMINAL |
| NOMINAL THREAD SIZE | 0.3125 INCHES LOCATION NOT OTHERWISE SPECIFIED |
| OVERALL LENGTH | 1.380 INCHES NOMINAL |
| STYLE DESIGNATOR | BALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD CLASS | 2A LOCATION NOT OTHERWISE SPECIFIED |
| THREAD DIRECTION | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| THREAD LENGTH | 0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| THREAD QUANTITY PER INCH | 18 LOCATION NOT OTHERWISE SPECIFIED |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |