| ASA STANDARD CHAIN NUMBER | 60 |
| BORE DIAMETER | 2.6420 INCHES MINIMUM AND 2.6425 INCHES MAXIMUM |
| BORE LENGTH | 2.781 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 1.796 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.208 INCHES NOMINAL BB END |
| DISTANCE FROM HUB END TO FLANGE END | 0.333 INCHES NOMINAL AA END |
| FACE WIDTH | 2.240 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HUB OUTSIDE DIAMETER | 2.750 INCHES NOMINAL BOTH ENDS |
| OUTSIDE DIAMETER | 3.979 INCHES NOMINAL |
| OVERALL LENGTH | 2.781 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C NOMINAL HUB |
| PITCH DIAMETER | 3.607 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | NICKEL |
| TEETH ROW QUANTITY | 2 |
| TEETH HARDNESS RATING | 38.0 ROCKWELL C NOMINAL |
| TEETH QUANTITY PER ROW | 15 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |