| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN, SOLID |
| AGJS | PITCH DIAMETER | 12.2000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 122 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | III HARDNESS RATING | 15.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM HUB |
| CQFM | III HARDNESS RATING | 43.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.402 INCHES |
| CWNH | TOOTH FORM | STUB |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.380 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 11.440 INCHES BOTH ENDS |
| MATT | III MATERIAL | STEEL COMP 1050 AND STEEL COMP 1053 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ED STD 66,AISI/SAE 1050 FED STD 5TH MATERIAL RESPONSE OVERALL AND D STD 66,AISI/SAE 1053 MFR REF 4TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-P-61 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND AN-P-32 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
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