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) | 00-517-1327 (005171327) |
| NCB Code | USA (00) |
| Manufacturer | Atco Pulley Corp, National Aerospace Standards Com, Arvan Inc, Ralmark Company, Military Specifications, Aeronautical Standards Group, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 20221A2 | atco pulley corp | pulley groove | RFQ |
| NAS378-2 | national aerospace standards com | pulley groove | RFQ |
| 20221A2 | arvan inc | pulley groove | RFQ |
| 20221A2 | ralmark company | pulley groove | RFQ |
| NAS378A2 | national aerospace standards com | pulley groove | RFQ |
| MS20221A2 | military specifications | pulley groove | RFQ |
| AN221A2 | aeronautical standards group | pulley groove | RFQ |
| MIL-DTL-7034/3 | military specifications | pulley groove | RFQ |
| MILP7034 | military specifications | pulley groove | RFQ |
| MS20221A2 | military standards corp | pulley groove | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGA | GROOVE DEPTH | 0.312 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 4.130 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AGWA | GROOVE RADIUS | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | ALUMINUM ALLOY,QQ-A-268,T4-CANCELED OVERALL |
| AQPL | FACE WIDTH | 0.507 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| AWJQ | BEARINGS | INCLUDED |
| AXHQ | GROOVE QUANTITY | 1 |
| AXND | COUNTERBORE FEATURE | NOT INCLUDED |
| BDDY | BEARING QUANTITY | 1 |
| BSGG | KEYING FACILITY | NOT INCLUDED |
| BSYG | SPLIT HUB FEATURE | NOT INCLUDED |
| BXSJ | LIGHTENING HOLE | NOT INCLUDED |
| BXSK | INTEGRAL COOLING VANE | NOT INCLUDED |
| BXSM | GROOVE SHAPE | U |
| BYDS | BORE FEATURE | INCLUDED |
| BYDT | BEARING TYPE | BALL |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-517-1327, 3020005171327 | ||||
| 3040-01-291-1651 (3040012911651) | 3020-00-782-0071 (3020007820071) | 3040-00-855-5707 (3040008555707) | 3040-01-203-5461 (3040012035461) | |
| 3040-01-038-7738 (3040010387738) | 3040-01-221-8947 (3040012218947) | 3040-00-802-4446 (3040008024446) | 3010-01-225-2485 (3010012252485) | |
| 3020-01-299-3888 (3020012993888) | 3020-01-449-9723 (3020014499723) | 3030-00-868-3021 (3030008683021) | 3010-01-419-8810 (3010014198810) | |
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