| FASTENER LENGTH | 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| HEAD DIAMETER | 0.382 INCHES MINIMUM AND 0.408 INCHES MAXIMUM |
| HEAD HEIGHT | 0.139 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613,COMP 6 OR 7 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626,COMP 6 OR 7 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1C STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.216 INCHES |
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |