| STYLE DESIGNATOR | SHOULDER |
| INSIDE DIAMETER | 0.260 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.617 INCHES NOMINAL |
| OVERALL HEIGHT | 1.180 INCHES NOMINAL |
| SHANK OUTSIDE DIAMETER | 0.438 INCHES NOMINAL |
| SHANK HEIGHT | 0.696 INCHES NOMINAL |
| FIRST COUNTERBORE DIAMETER | 0.375 INCHES NOMINAL |
| SECOND COUNTERBORE DIAMETER | 0.133 INCHES NOMINAL |
| SECOND COUNTERBORE DEPTH | 0.180 INCHES NOMINAL |
| FIRST COUNTERBORE DEPTH | 0.274 INCHES NOMINAL |
| MATERIAL AND LOCATION | OVERALL PLASTIC, POLYAMIDE, POLYHEXAMETHYLENE, SEBACAMIDE, L-P-410 |
| IDENTIFICATION CODE COLOR | NATURAL |
| SCREW THREAD SERIES DESIGNATOR AND LOCATION | MOUNTING BASE UNF AND |
| BASE UNF |
| SCREW THREAD DIAMETER AND LOCATION | 0.438 MOUNTING BASE INCHES NOMINAL |
| 0.375 BASE INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH AND LOCATION | 20 MOUNTING BASE |
| 20 SECOND COUNTERBORE |
| THREAD CLASS AND LOCATION | 2A MOUNTING BASE |
| 2B SECOND COUNTERBORE |
| THREAD LENGTH AND LOCATION | 0.578 MOUNTING BASE INCHES NOMINAL |
| 0.218 BASE INCHES NOMINAL |
| SPECIAL FEATURES | SECOND END EXTERNAL FLATS 0.515 WACROSS X 0.235 LG AND INTERNAL RELIEF 0.390 DIA X 0.125 LG |