| EXTERNAL STRAIGHT KEY WIDTH | 0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS L80 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| III MATERIAL | ALUMINUM ALLOY OVERALL |
| OUTSIDE DIAMETER | 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.417 INCHES MINIMUM AND 1.433 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |
| ANGLE BETWEEN EXTERNAL KEYS | 90.0 DEGREES NOMINAL |
| EXTERNAL KEY QUANTITY | 2 |
| EXTERNAL STRAIGHT KEY LENGTH | 0.175 INCHES NOMINAL |