AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-517-3919 (005173919) |
| NCB Code | USA (00) |
| Manufacturer | Norfolk Naval Shipyard |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,OFFSET,SOLID |
| AGJS | PITCH DIAMETER | 6.7244 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 60 |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.9244 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 1.250 INCHES |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 2.000 INCHES SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 2.375 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | WTWO 3/8 IN.-16 HOLES 60 DEG AND 120 DEG ON EA SIDE OF KEYWAY ON SECOND END,3/32 IN. HOLE 180 DEG FROM KEYWAY THROUGH HUB TO BORE,TIMING MARK 152 DEG 8 MIN FROM CENTERLINE OF KEYWAY,THREE 3/32 IN. HOLES EQUALLY SPACED THROUGH TEETH |
| STYL | STYLE DESIGNATOR | FLUSH HUB |
| Relevant Components for NSN - 3020-00-517-3919, 3020005173919 | ||||
| 3040-01-293-6061 (3040012936061) | 3020-01-092-7507 (3020010927507) | 3020-01-526-6231 (3020015266231) | 3020-01-177-2167 (3020011772167) | |
| 3020-00-418-5559 (3020004185559) | 3040-00-011-9183 (3040000119183) | 3040-00-752-1099 (3040007521099) | 3040-00-423-9886 (3040004239886) | |
| 3020-01-109-4621 (3020011094621) | 3020-01-222-8376 (3020012228376) | 3020-00-875-8283 (3020008758283) | 3040-00-426-1884 (3040004261884) | |
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