| EXTERNAL STRAIGHT KEY LENGTH | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 2 |
| HOLE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.328 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
| PEENING KEY LENGTH | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |