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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) | 01-438-5310 (014385310) |
| NCB Code | USA (01) |
| Manufacturer | Perkins Engines Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUJ | SPLINE MAJOR DIAMETER | 48.043 MILLIMETERS MINIMUM AND 48.151 MILLIMETERS MAXIMUM |
| ABGF | GROOVE WIDTH | 12.7 MILLIMETERS NOMINAL |
| ABHE | OUTSIDE DIAMETER | 193.5 MILLIMETERS NOMINAL |
| ABHP | OVERALL LENGTH | 57.5 MILLIMETERS NOMINAL |
| ABSC | SPLINE MINOR DIAMETER | 45.331 MILLIMETERS MINIMUM AND 46.032 MILLIMETERS MAXIMUM |
| ABUJ | THREAD SIZE | 7/16-20 |
| AGGS | V GROOVE ANGLE IN DEG | 36.0 |
| AGJS | PITCH DIAMETER | 190.5 MILLIMETERS NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 4 |
| ANNQ | MATERIAL AND LOCATION | IRON, CAST OVERALL |
| AQPL | FACE WIDTH | 20.0 MILLIMETERS NOMINAL |
| ARJD | DESIGN FORM | WEBBED |
| ASBP | BORE TYPE | INVOLUTE SPLINE |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXFH | SPLINE LENGTH | 28.5 MILLIMETERS NOMINAL |
| AXHQ | GROOVE QUANTITY | 1 |
| BDTX | SPLINE PITCH DIAMETER | 46.566 MILLIMETERS NOMINAL |
| BFYT | HOLE LOCATION | THRU BODY |
| BSNP | SECURING METHOD | THREADED HOLE |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSH | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | OFFSET |
| 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 | 60.325 MILLIMETERS MINIMUM BB END AND 60.452 MILLIMETERS MAXIMUM BB END |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 4.8 MILLIMETERS NOMINAL AA END AND 37.5 MILLIMETERS NOMINAL BB END |
| BYZL | FIRST STEP FACE LARGEST DIAMETER AND LOCATION | 78.64 MILLIMETERS MINIMUM BB END AND 78.79 MILLIMETERS MAXIMUM BB END |
| BYZM | SECOND STEP FACE LARGEST DIAMETER AND LOCATION | 83.0 MILLIMETERS NOMINAL BB END |
| BYZN | FIRST STEP LENGTH AND LOCATION | 22.50 MILLIMETERS MINIMUM BB END AND 22.75 MILLIMETERS MAXIMUM BB END |
| BYZP | SECOND STEP LENGTH AND LOCATION | 6.0 MILLIMETERS NOMINAL BB END |
| BYZX | THIRD STEP LENGTH AND LOCATION | 8.75 MILLIMETERS MINIMUM BB END AND 9.00 MILLIMETERS MAXIMUM BB END |
| CLYR | HUB END OUTSIDE DIAMETER AND LOCATION | 60.325 MILLIMETERS MINIMUM BB END AND 60.452 MILLIMETERS MAXIMUM BB END |
| STYL | STYLE DESIGNATOR | WEBBED OR SPOKED |
| Relevant Components for NSN - 3020-01-438-5310, 3020014385310 | ||||
| 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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