| MATERIAL | STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-68 FED STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | OXIDE FILM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | FOOTED HOLE MOUNTING |
| INSIDE DIAMETER | 19.6 MILLIMETERS NOMINAL |
| OVERALL HEIGHT | 0.6 MILLIMETERS NOMINAL |
| OVERALL WIDTH | 35.0 MILLIMETERS NOMINAL |
| DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY | 19.4 MILLIMETERS NOMINAL |
| ANGLE BETWEEN ADJACENT MOUNTING FACILITIES IN DEG | 80.0 |
| ACCOMMODATED ITEM SECURING DEVICE TYPE | HOLES |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 TAB ALL MOUNTING FACILITIES |
| UNTHREADED MOUNTING HOLE DIAMETER | 3.540 INCHES NOMINAL ALL MOUNTING FACILITIES |
| SPECIAL FEATURES | BLACK OXIDE FINISH; 18 INTERNAL LOCKING TEETH 1.7 MILLIMETERS WIDE AND 1.7 MILLIMETERS APART |