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) | 00-841-5707 (008415707) |
| NCB Code | USA (00) |
| Manufacturer | Tongil Heavy Industries Co Ltd, Eca Etablissement Central Des, S And T Dynamics Dynamics Co Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGJS | PITCH DIAMETER | 12.5000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 50 |
| BDTX | SPLINE PITCH DIAMETER | 2.6250 INCHES NOMINAL BOTH ENDS |
| CQFM | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM HUB |
| CQFM | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.990 INCHES |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 25.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES BOTH ENDS |
| CWRM | FACE NOMINAL WIDTH | 2.032 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 2.750 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 3.348 INCHES BOTH ENDS |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| AAQL | BODY STYLE | WEBBED,WITH LIGHTENING HOLES |
| ABSA | SPLINE QUANTITY | 42 BOTH ENDS |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 3020-00-841-5707, 3020008415707 | ||||
| 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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