| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.5005 INCHES MINIMUM AND |
| 2.5010 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.999 INCHES MINIMUM AND |
| 2.000 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.498 INCHES MINIMUM AND |
| 0.502 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 1.000 INCHES NOMINAL |
| BODY STEPPED INSIDE DIAMETER | 0.656 INCHES NOMINAL FIRST STEP |
| 0.847 INCHES NOMINAL SECOND STEP |
| 1.500 INCHES NOMINAL THIRD STEP |
| MATERIAL | STEEL BODY |
| STEEL SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853,CL 3,TY E MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| STELLITE B21B23 MFR REF SINGLE MATERIAL RESPONSE SEAT |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.194 INCHES MINIMUM AND |
| 0.200 INCHES MAXIMUM |
| FSC APPLICATION DATA | TURBINE,STEAM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 03502 |
| DESIGN CONTROL REFERENCE | 101B354AA3 |