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| Item Name | Gear Helical |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-274-2906 (002742906) |
| NCB Code | USA (00) |
| Manufacturer | Hobart Bros Co, Am General Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| AGJS | PITCH DIAMETER | 3.2015 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 28 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CQFM | HARDNESS RATING | 86.0 ROCKWELL B MINIMUM OVERALL AND 97.0 ROCKWELL B MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.3985 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 29.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.1350 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 1.062 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.250 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.189 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.7229 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.750 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | TWO PULLER HOLES,TIMING MARK 51 DEG 58 MIN PLUS OR MINUS 30 MIN CCW FROM CENTER LINE OF KEYWAY ON CENTER LINE OF TOOTH SPACE |
| MATT | MATERIAL | IRON CAST OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| Relevant Components for NSN - 3020-00-274-2906, 3020002742906 | ||||
| 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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