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) | 00-288-4151 (002884151) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Air Brake Technologies, Ansaldo Sts Usa Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLK | Mounting Hole Thread Series Designator | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| CWCD | Nominal Outside Diameter | 0.979 INCHES |
| CWNH | Tooth Form | STANDARD |
| CQLT | Mounting Hole Nominal Thread Size | 0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| CWTR | Hub Style Designator | PINNED FIRST END |
| CWRM | Face Nominal Width | 0.125 INCHES |
| BDZQ | Backlash Designation | GRADE C |
| CTQY | Mounting Hole Type And Quantity | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| ABSX | Attachment Method | MOUNTING HOLE |
| ANTP | Bore Style | PLAIN BOTH ENDS |
| AJLA | Teeth Quantity | 45 |
| CWQL | Nominal Distance Between Body Face And Protruding Hub End | 0.250 INCHES FIRST END |
| CWWK | Precision Classification | QUALITY NUMBER 8 |
| MDCL | Material Document And Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | Surface Treatment | ANODIZE OVERALL |
| CWFR | Nominal Overall Length | 0.375 INCHES |
| MATT | Material | ALUMINUM ALLOY 2024 OVERALL |
| CWRS | Bore Nominal Diameter | 0.250 INCHES BOTH ENDS |
| CWPP | Pressure Angle | 20.0000 DEGREES |
| CMLM | Mounting Hole Thread Quantity Per Inch | 40 TRANSVERSELY THROUGH HUB, FIRST END |
| CWTX | Hub Nominal Diameter | 0.500 INCHES FIRST END |
| AAQL | Body Style | PLAIN, SOLID |
| AGJS | Pitch Diameter | 0.9380 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| STYL | Style Designator | PROTRUDING HUB |
| Relevant Components for NSN - 3020-00-288-4151, 3020002884151 | ||||
| 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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