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) | 00-640-2695 (006402695) |
| NCB Code | USA (00) |
| Manufacturer | Textron Lycoming Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CWRB | BODY RECESS NOMINAL DEPTH | 0.490 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.400 INCHES |
| CWSN | KEYWAY NOMINAL WIDTH | 0.126 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.366 INCHES BOTH ENDS |
| CWSW | TAPER MAJOR NOMINAL DIAMETER | 0.590 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| CWWH | END NOMINAL LENGTH | 0.560 INCHES FIRST END |
| CWWN | END NOMINAL DIAMETER | 1.030 INCHES FIRST END |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.185 INCHES FIRST END |
| CWXB | FIRST STEP NOMINAL DIAMETER | 1.250 INCHES FIRST END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 245-52 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB,RECESSED BODY |
| AAQL | BODY STYLE | WEBBED,OFFSET,SOLID |
| AGJS | PITCH DIAMETER | 1.6250 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 13 |
| ANTP | BORE STYLE | TAPERED W/KEYWAY SECOND END |
| CQFM | HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB |
| CQFM | HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 30-N NOMINAL TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.822 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 1.145 INCHES |
| CWNH | TOOTH FORM | STUB |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.745 INCHES FIRST END |
| Relevant Components for NSN - 3020-00-640-2695, 3020006402695 | ||||
| 3040-01-291-1651 (3040012911651) | 3020-00-782-0071 (3020007820071) | 3040-00-855-5707 (3040008555707) | 3040-01-203-5461 (3040012035461) | |
| 3040-01-038-7738 (3040010387738) | 3040-01-221-8947 (3040012218947) | 3040-00-802-4446 (3040008024446) | 3010-01-225-2485 (3010012252485) | |
| 3020-01-299-3888 (3020012993888) | 3020-01-449-9723 (3020014499723) | 3030-00-868-3021 (3030008683021) | 3010-01-419-8810 (3010014198810) | |
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