| 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) | 00-564-9134 (005649134) |
| NCB Code | USA (00) |
| Manufacturer | Triumph Gear Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| AGJS | PITCH DIAMETER | 2.3750 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 57 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.457 INCHES |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.875 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.7945 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.1593 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.4863 INCHES BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 1.375 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | COUNTERBORE 1ST END,0.125 IN. DEEP BY 1.375 IN. DIA |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 4140 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | HUBLESS |
| Relevant Components for NSN - 3020-00-564-9134, 3020005649134 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
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