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) | 00-303-5104 (003035104) |
| NCB Code | USA (00) |
| Manufacturer | Spalla Inc, Meritor Heavy Vehicle Braking System, Dupage Gear And Machine Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSA | SPLINE QUANTITY | 34 BOTH ENDS |
| AGJS | PITCH DIAMETER | 4.7410 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 25 |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 4.2500 INCHES NOMINAL BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.178 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNK | FLANGE NOMINAL DIAMETER | 5.325 INCHES |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPS | FLANGE NOMINAL THICKNESS | 0.875 INCHES |
| CWPZ | HELIX ANGLE | 22.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 1.539 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 4.155 INCHES BOTH ENDS |
| CWSH | NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE | 0.773 INCHES |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.763 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 3.542 INCHES BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 4.281 INCHES BETWEEN BODY AND FLANGE |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | FLANGED END |
| Relevant Components for NSN - 3020-00-303-5104, 3020003035104 | ||||
| 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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