AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-308-7163 (003087163) |
| NCB Code | USA (00) |
| Manufacturer | Nacco Materials Handling Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSA | SPLINE QUANTITY | 6 BOTH ENDS |
| AGJS | PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 12 |
| ANTP | BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.498 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 3.938 INCHES |
| CWNH | TOOTH FORM | STUB |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.182 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 3.500 INCHES |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.687 INCHES FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 2.440 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 3.250 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | SPLINE MINOR NOM. DIA. 1.911 IN. |
| MATT | MATERIAL | STEEL COMP E4340H OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE E4340H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| Relevant Components for NSN - 3020-00-308-7163, 3020003087163 | ||||
| 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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