| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.875 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| HOLE DIAMETER | 2.005 INCHES MINIMUM AND 2.015 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| OUTSIDE DIAMETER | 2.625 INCHES MINIMUM AND 2.655 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |