| MRC | Name | Details |
|---|
| ABFF | FURNISHED ITEMS | KEYING FACILITY |
| ABHE | OUTSIDE DIAMETER | 3.643 INCHES MINIMUM AND 3.649 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM |
| ABRR | KEYWAY WIDTH | 0.2515 INCHES MINIMUM AND 0.2545 INCHES MAXIMUM |
| ABUJ | THREAD SIZE | 3/8 -16 |
| ABXV | BORE DIAMETER | 1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.765 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| AGJS | PITCH DIAMETER | 3.662 INCHES MINIMUM AND 3.682 INCHES MAXIMUM |
| AKYN | FURNISHED ITEMS AND QUANTITY | NONENONE |
| ALNC | HUB OUTSIDE DIAMETER | 2.9375 INCHES NOMINAL BOTH ENDS |
| AQPL | FACE WIDTH | 2.412 INCHES MINIMUM AND 2.422 INCHES MAXIMUM |
| AQWM | GUIDE | NOT INCLUDED |
| ARJD | DESIGN FORM | PLAIN |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MINIMUM BODY AND 52.0 ROCKWELL C MAXIMUM BODY |
| ASYR | DISTANCE FROM HUB END TO FLANGE END | 0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM BOTH ENDS |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BFYT | HOLE LOCATION | LOCATED 90 DEG EACH SIDE OF KEYWAY |
| BSGG | KEYING FACILITY | INCLUDED |
| BSNP | SECURING METHOD | THREADED HOLE |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFF | SECURING LOCATION | AA END |
| BYFH | BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | SILENT CHAIN |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFN | TEETH QUANTITY PER ROW | 23 |
| BYFQ | HARDNESS RATING TEST METHOD | ROCKWELL |
| BYFR | TEETH HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| BYFS | BORE BEARING | NOT INCLUDED |
| BYFW | HUB EXTERNAL KEYWAY | NOT INCLUDED |
| BYGF | TOOTH PITCH | 0.500 INCHES NOMINAL |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.007 INCHES MINIMUM BOTH ENDS AND 0.013 INCHES MAXIMUM BOTH ENDS |
| FEAT | SPECIAL FEATURES | "2 HOLES DRILLED BETWEEN TEETH INTO KEYWAY 1/8 IN. DIA,LOCATED 5/16 IN.FROM EACH END; END OPPOSITE SECURING HOLES COUNTERSUNK 60 DEG,1/8 IN. DEEP" |
| MATL | MATERIAL | "STEEL, QQ-S-633, FS1020-CANCELED" |
| MATT | MATERIAL | STEEL COMP 1020 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | "QQ-S-633, FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE" |
| NMBR | QUANTITY | 1 |
| STYL | III STYLE DESIGNATOR | PLAIN |
| STYL | STYLE DESIGNATOR | PLAIN |