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| Item Name | Gear Spur |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 01-163-7947 (011637947) |
| NCB Code | USA (01) |
| Manufacturer | Triumph Gear Systems Inc, Timken Aerospace Inc, Nimikkeistokeskus Ncb Finland |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 3.9000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 39 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 5 PLAIN AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.173 INCHES |
| CWPP | PRESSURE ANGLE | 22.5000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.560 INCHES SECOND END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.785 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.550 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.778 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS |
| CWWH | END NOMINAL LENGTH | 0.505 INCHES BOTH ENDS |
| CWWN | END NOMINAL DIAMETER | 1.860 INCHES BOTH ENDS |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.055 INCHES BOTH ENDS |
| CWXB | FIRST STEP NOMINAL DIAMETER | 2.345 INCHES BOTH ENDS |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.376 INCHES AXIALLY THROUGH BODY,FIRST END |
| MATT | MATERIAL | STEEL COMP E9310 OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| Relevant Components for NSN - 3020-01-163-7947, 3020011637947 | ||||
| 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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