| DISTANCE BETWEEN MOUNTING HOLE CENTERS | 1.375 INCHES NOMINAL |
| FLANGE LENGTH | 1.690 INCHES NOMINAL |
| FLANGE MOUNTING HOLE DIAMETER | 0.196 INCHES NOMINAL |
| FLANGE WIDTH | 1.690 INCHES NOMINAL |
| HEIGHT | 1.160 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY BASE |
| MATERIAL | ALUMINUM ALLOY HOUSING |
| MATERIAL | COPPER ALLOY EYELKET |
| SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS | 1.375 INCHES NOMINAL |
| STYLE DESIGNATOR | ROUND SPRING COMPRESSION FOUR-HOLE FLANGE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BASE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE EYELKET |
| SURFACE TREATMENT | CHROMATE BASE |
| SURFACE TREATMENT | CHROMATE HOUSING |
| SURFACE TREATMENT | NICKEL EYELKET |
| THREAD SIZE | 8-32 ALL THREADED PORTIONS |