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) | 00-239-3886 (002393886) |
| NCB Code | USA (00) |
| Manufacturer | Progress Rail Locomotive Inc, General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,WITH LIGHTENING HOLES |
| AGJS | PITCH DIAMETER | 14.5000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 58 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 14.9690 INCHES |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.998 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 3.0000 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 4.6255 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 6.0000 INCHES BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | ONE PROTRUDING HUB,ONE FLUSH HUB |
| Relevant Components for NSN - 3020-00-239-3886, 3020002393886 | ||||
| 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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