| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.104 INCHES |
| HUB NOMINAL DIAMETER | 0.437 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-484 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-484 ASSN STD SINGLE MATERIAL RESPONSE HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 303 BODY |
| MATERIAL | STEEL COMP 303 HUB |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.221 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.805 INCHES |
| PITCH DIAMETER | 0.7768 INCHES MINIMUM AND 0.7778 INCHES MAXIMUM |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE I FED SPEC SINGLE TREATMENT RESPONSE HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| SURFACE TREATMENT | CADMIUM SPRING |
| SURFACE TREATMENT | PASSIVATE BODY |
| SURFACE TREATMENT | PASSIVATE HUB |
| TEETH QUANTITY | 56 |
| TOOTH FORM | STANDARD |