| FACE NOMINAL WIDTH | B19.8 MILLIMETERS AND C20.0 MILLIMETERS |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 GRADE 8620H ASSN STD SINGLE MATERIAL RESPONSE OR DIN17210-16MNCR5 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| HUB NOMINAL DIAMETER | B81.0 MILLIMETERS AND C81.22 MILLIMETERS BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| III MATERIAL | STEEL BODY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RING |
| PITCH DIAMETER | 139.0 MILLIMETERS NOMINAL |
| NOMINAL OUTSIDE DIAMETER | B147.84 MILLIMETERS AND C148.0 MILLIMETERS |
| SPECIAL FEATURES | C/W INTERNAL AND EXTERNAL TEETH |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| TEETH QUANTITY | 36 AND 41 |
| TOOTH FORM | STANDARD |