| DISTANCE FROM HUB END TO FLANGE END | 0.304 INCHES MINIMUM AND 0.317 INCHES MAXIMUM BOTH ENDS |
| ASA STANDARD CHAIN NUMBER | 25 |
| BORE DIAMETER | 1.312 INCHES MINIMUM AND 1.313 INCHES MAXIMUM |
| BORE LENGTH | 1.088 INCHES MINIMUM AND 1.093 INCHES MAXIMUM |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| FACE WIDTH | 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HUB OUTSIDE DIAMETER | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM BOTH ENDS |
| OUTSIDE DIAMETER | 3.725 INCHES NOMINAL |
| OVERALL LENGTH | 1.088 INCHES MINIMUM AND 1.093 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| METALLIC HARDNESS RATING AND LOCATION | 25.0 ROCKWELL C MINIMUM HUB AND 30.0 ROCKWELL C MAXIMUM HUB |
| PITCH DIAMETER | 3.584 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | CADMIUM |
| TEETH HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| TEETH QUANTITY PER ROW | 45 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 0.250 INCHES NOMINAL |