| BODY INSIDE DIAMETER | 1.398 INCHES MINIMUM AND 1.408 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 3.260 INCHES NOMINAL |
| FLANGE DIAMETER | 4.438 INCHES MINIMUM AND 4.439 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE |
| MATERIAL | COBALT ALLOY FACE |
| SEAT RADIUS | 0.483 INCHES MINIMUM AND 0.493 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| STYLE DESIGNATOR | PLAIN FLANGED |
| TAPER MINOR DIAMETER | 1.398 INCHES MINIMUM AND 1.408 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |