AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Pulley Cone |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-528-0557 (005280557) |
| NCB Code | USA (00) |
| Manufacturer | Thomas C Wilson Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGA | GROOVE DEPTH | 0.500 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.438 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.375 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 1/4-20 |
| ABXV | BORE DIAMETER | 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 1.375 INCHES NOMINAL |
| AGGS | V GROOVE ANGLE IN DEG | 40.0 |
| AHYF | SECURING HOLE QUANTITY | 1 |
| ALPN | FACE TYPE | STEP GROOVE |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AQPL | FACE WIDTH | 1.375 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AXHQ | GROOVE QUANTITY | 2 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BCCJ | STEP OUTSIDE DIAMETER | 5.000 INCHES NOMINAL AND 4.000 INCHES NOMINAL |
| BFYT | HOLE LOCATION | IN LARGEST DIA GROOVE |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSNP | SECURING METHOD | THREADED HOLE |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | V |
| BXSN | STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED | A |
| BYFS | BORE BEARING | NOT INCLUDED |
| BZRD | V GROOVE PITCH DIAMETER | 4.39375 INCHES NOMINAL AND 3.59375 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-528-0557, 3020005280557 | ||||
| 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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