| DISTANCE FROM CENTERLINE TO END OF KEY | 36.0 MILLIMETERS NOMINAL |
| EXTERNAL STRAIGHT KEY WIDTH | 18.0 MILLIMETERS NOMINAL |
| HOLE DIAMETER | 18.8 MILLIMETERS MINIMUM AND 19.2 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.9 MILLIMETERS MINIMUM AND 1.1 MILLIMETERS MAXIMUM |
| III MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| III MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 39.2 MILLIMETERS MINIMUM AND 40.8 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-87115,CL 1 MIL SPEC 2ND TREATMENT RESPONSE OR MIL-C-83488,TY 2,CL 2 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OR ALUMINUM ALLOY AND CHROMATE OVERALL |