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| Item Name | Pulley Groove |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 01-100-2638 (011002638) |
| NCB Code | USA (01) |
| Manufacturer | Perkins Engines Inc, Nacco Materials Handling Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUJ | SPLINE MAJOR DIAMETER | 1.892 INCHES MINIMUM AND 1.896 INCHES MAXIMUM |
| ABGA | GROOVE DEPTH | 0.562 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.500 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 6.562 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 2.188 INCHES NOMINAL |
| ABKG | BOLT CIRCLE DIAMETER | 2.750 INCHES NOMINAL |
| ABSA | SPLINE QUANTITY | 44 |
| ABSC | SPLINE MINOR DIAMETER | 1.808 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
| ABUJ | THREAD SIZE | 3/16-24 |
| AGGS | V GROOVE ANGLE IN DEG | 36.0 |
| AGJS | PITCH DIAMETER | 6.438 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 4 |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| AQPL | FACE WIDTH | 0.782 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | INVOLUTE SPLINE |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXFG | SPLINE PRESSURE ANGLE IN DEG | 45.0 |
| AXFH | SPLINE LENGTH | 1.000 INCHES NOMINAL |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BDTX | SPLINE PITCH DIAMETER | 1.8333 INCHES NOMINAL |
| BFYT | HOLE LOCATION | EQUALLY SPACED AROUND BORE |
| BSNP | SECURING METHOD | THREADED HOLE |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BYDS | BORE FEATURE | INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | STEPPED |
| BYFF | SECURING LOCATION | PULLEY SURFACE |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 2.375 INCHES MINIMUM AA END AND 2.380 INCHES MAXIMUM AA END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.406 INCHES NOMINAL AA END |
| BYZL | FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 3.096 INCHES MINIMUM AA END AND 3.102 INCHES MAXIMUM AA END |
| BYZM | SECOND STEP FACE LARGEST DIAMETER AND LOCATION | 3.250 INCHES NOMINAL AA END |
| BYZN | FIRST STEP LENGTH AND LOCATION | 0.281 INCHES NOMINAL AA END |
| BYZP | SECOND STEP LENGTH AND LOCATION | 0.281 INCHES NOMINAL AA END |
| CLYR | HUB END OUTSIDE DIAMETER AND LOCATION | 2.375 INCHES MINIMUM AA END AND 2.380 INCHES MAXIMUM AA END |
| CLYS | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.406 INCHES NOMINAL AA END |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-01-100-2638, 3020011002638 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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