| BRUSH PART MATERIAL | COPPER ALLOY, QQ-W-401-CANCELED |
| BRUSH SIZE DESIGNATION | 7.62MM |
| PINHOLE DIAMETER | 0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM |
| SINGLE BRUSH DIAMETER OF BRUSH PART | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| SINGLE BRUSH LENGTH OF BRUSH PART | 2.032 INCHES MINIMUM AND 2.094 INCHES MAXIMUM |
| SINGLE BRUSH OVERALL LENGTH | 3.901 INCHES NOMINAL |
| SINGLE BRUSH TAPERED BRUSH PART MINOR DIAMETER | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| STYLE DESIGNATOR | SPIRAL TAPERED ROUND, RATCHET END |