| 0.514 INCHES MAXIMUM FIRST STEP |
| 0.702 INCHES MINIMUM AND |
| 0.722 INCHES MAXIMUM SECOND STEP |
| MATERIAL | STEEL COMP 440C OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MCA1R PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND |
| 60.0 ROCKWELL C MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.800 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.623 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.275 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.305 INCHES NOMINAL |
| BODY STEPPED INSIDE DIAMETER | 0.504 INCHES MINIMUM AND |