| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 10.938 INCHES AXIALLY THROUGH FLANGE |
| FACE NOMINAL WIDTH | 1.000 INCHES |
| FLANGE NOMINAL DIAMETER | 12.375 INCHES |
| FLANGE NOMINAL THICKNESS | 0.3575 INCHES |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.1640 INCHES AXIALLY THROUGH FLANGE |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH FLANGE |
| MOUNTING HOLE TYPE AND QUANTITY | 48 THREADED AXIALLY THROUGH FLANGE |
| NOMINAL OUTSIDE DIAMETER | 10.4370 INCHES |
| PITCH DIAMETER | 10.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLANGED RING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEETH QUANTITY | 120 |
| TEETH TYPE | SPUR |
| TOOTH FORM | STANDARD |