| 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) | 00-580-9642 (005809642) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN, SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 6.6012 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 23 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH BODY, FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.9345 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 54.5000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 2.000 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 3.2500 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.6880 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 5.2515 INCHES BOTH ENDS |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.5310 INCHES AXIALLY THROUGH BODY, FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.250 INCHES AXIALLY THROUGH BODY, FIRST END |
| MATT | III MATERIAL | COPPER ALLOY 954 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY G5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| Relevant Components for NSN - 3020-00-580-9642, 3020005809642 | ||||
| 3040-99-998-5105 (3040999985105) | 3040-99-996-0531 (3040999960531) | 3040-99-995-0697 (3040999950697) | 3040-99-994-2127 (3040999942127) | |
| 3040-99-987-5128 (3040999875128) | 3040-99-985-9338 (3040999859338) | 3040-99-984-7561 (3040999847561) | 3040-99-983-1075 (3040999831075) | |
| 3040-99-983-0642 (3040999830642) | 3040-99-976-1779 (3040999761779) | 3040-99-974-7534 (3040999747534) | 3040-99-974-1514 (3040999741514) | |
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