| BRUSH SIZE DESIGNATION | CAL.45 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-401-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BRUSH PART |
| MATERIAL | COPPER ALLOY 510 BRUSH PART |
| SINGLE BRUSH DIAMETER OF BRUSH PART | 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| SINGLE BRUSH LENGTH OF BRUSH PART | 2.375 INCHES NOMINAL |
| SINGLE BRUSH OVERALL LENGTH | 3.281 INCHES NOMINAL |
| STYLE DESIGNATOR | SPIRAL ROUND, THREADED END |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.281 INCHES |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |