| COUNTERBORE LOCATION | THREADED END |
| COUNTERBORE DEPTH | 0.134 INCHES MINIMUM AND 0.166 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| COUNTERBORE DIAMETER | 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| COUNTERSINK LOCATION | THREADED END AND WRENCHING END |
| COUNTERSINK ANGLE IN DEG | 45.0 LOCATION NOT OTHERWISE SPECIFIED |
| COUNTERSINK DEPTH | 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| FEATURES PROVIDED | COUNTERBORE AND COUNTERSUNK |
| HOLE INSIDE DIAMETER | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM |
| OVERALL LENGTH | 0.272 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | COPPER ALLOY 360 |
| NOMINAL THREAD SIZE | 0.281 INCHES |
| SCREW THREAD LENGTH | 0.134 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| SPECIAL FEATURES | THD END UNDERCUT TO 0.250 IN. MIN 0.253 IN. MAX DIA BY 0.040 IN. LG; SECOND COUNTERSUNK DEPTH: 0.002 IN. MINIMUM AND 0.018 IN. MAXIMUM |
| WIDTH ACROSS FLATS | 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| WRENCHING FACILITY SHAPE | HEXAGON |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 580-0143-000 13499 MFR REF SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | GOLD |
| THICKNESS | 0.052 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNS |