| FIRST COUNTERBORE DEPTH | 0.250 INCHES NOMINAL |
| FIRST COUNTERBORE DIAMETER | 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| IDENTIFICATION CODE COLOR | BROWN |
| OUTSIDE DIAMETER | 0.609 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-79, TYPE PBE, FORM R MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | PAPER AND PLASTIC PHENOLIC OVERALL |
| TOP DIAMETER | 0.609 INCHES NOMINAL |
| TOP HOLE DIAMETER | 0.359 INCHES NOMINAL |
| STYLE DESIGNATOR | COUNTERBORE |