AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-204-3281 (002043281) |
| NCB Code | USA (00) |
| Manufacturer | Bell And Howell Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 1.904 INCHES MINIMUM AND 1.910 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| ABGA | GROOVE DEPTH | 0.3025 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.128 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 1.985 INCHES MINIMUM AND 1.990 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 1.218 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 1.218 INCHES NOMINAL |
| AGGS | V GROOVE ANGLE IN DEG | 13.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL,CORROSION RESISTING OVERALL |
| AQPL | FACE WIDTH | 0.302 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | NOT INCLUDED |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | INCLUDED |
| BDYS | COUNTERBORE LOCATION | BB END |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSH | WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BYDS | BORE FEATURE | INCLUDED |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | GROOVED |
| BYZD | HUB END OUTSIDE DIAMETER AND LOCATION | 0.4995 INCHES MINIMUM BOTH ENDS AND 0.5000 INCHES MAXIMUM BOTH ENDS |
| BYZF | DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 0.916 INCHES NOMINAL BOTH ENDS |
| BYZR | FIRST END GROOVE DIAMETER AND LOCATION | 0.480 INCHES NOMINAL BOTH ENDS |
| BYZS | FIRST END GROOVE WIDTH AND LOCATION | 0.025 INCHES NOMINAL BOTH ENDS |
| BYZT | FIRST END LENGTH FROM GROOVE TO END AND LOCATION | 0.881 INCHES NOMINAL BOTH ENDS |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-204-3281, 3020002043281 | ||||
| 3040-01-293-6061 (3040012936061) | 3020-01-092-7507 (3020010927507) | 3020-01-526-6231 (3020015266231) | 3020-01-177-2167 (3020011772167) | |
| 3020-00-418-5559 (3020004185559) | 3040-00-011-9183 (3040000119183) | 3040-00-752-1099 (3040007521099) | 3040-00-423-9886 (3040004239886) | |
| 3020-01-109-4621 (3020011094621) | 3020-01-222-8376 (3020012228376) | 3020-00-875-8283 (3020008758283) | 3040-00-426-1884 (3040004261884) | |
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