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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) | 00-289-7678 (002897678) |
| NCB Code | USA (00) |
| Manufacturer | Prestolite Electric Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 2.812 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 2.1875 INCHES NOMINAL |
| ABGA | GROOVE DEPTH | 0.422 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.500 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.8750 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 3.500 INCHES NOMINAL |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.5550 INCHES NOMINAL |
| AGGS | V GROOVE ANGLE IN DEG | 36.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL,QQ-S-633,FS1010-CANCELED OVERALL AND STEEL,QQ-S-681,CLASS 2 OVERALL |
| AQPL | FACE WIDTH | 2.375 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXHQ | GROOVE QUANTITY | 4 |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BDYS | COUNTERBORE LOCATION | BB END |
| BSGG | KEYING FACILITY | INCLUDED |
| BSGK | KEYING FACILITY TYPE | KEYWAY |
| 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 |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 1.375 INCHES NOMINAL BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.125 INCHES NOMINAL BOTH ENDS |
| NMBR | QUANTITY | 1 |
| SFTT | SURFACE TREATMENT | PHOSPHATE |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-289-7678, 3020002897678 | ||||
| 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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