| SCREW THREAD QUANTITY PER INCH AND LOCATION | 32 BASE |
| THREAD CLASS AND LOCATION | 2BMOD BASE |
| THREAD LENGTH AND LOCATION | 0.150 BASE INCHES NOMINAL |
| STYLE DESIGNATOR | COUNTERBORE |
| OUTSIDE DIAMETER | 0.300 INCHES MINIMUM AND |
| 0.320 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 1.740 INCHES MINIMUM AND |
| 1.760 INCHES MAXIMUM |
| TOP HOLE DIAMETER | 0.125 INCHES NOMINAL |
| FIRST COUNTERBORE DIAMETER | 0.180 INCHES MINIMUM AND |
| 0.200 INCHES MAXIMUM |
| FIRST COUNTERBORE DEPTH | 1.590 INCHES MINIMUM AND |
| 1.610 INCHES MAXIMUM |
| MATERIAL AND LOCATION | OVERALL PLASTIC, L-P-509, GRADE G-10 |
| SCREW THREAD SERIES DESIGNATOR AND LOCATION | BASE UNC |
| SCREW THREAD DIAMETER AND LOCATION | 0.138 BASE INCHES NOMINAL |