| Item Name | Gear Helical |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-391-9521 (003919521) |
| NCB Code | USA (00) |
| Manufacturer | Wisconsin Motors Llc, Schramm Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,WITH LIGHTENING HOLES |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 5.0690 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 48 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 16.0 ROCKWELL C MINIMUM OVERALL AND 22.0 ROCKWELL C MAXIMUM OVERALL |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.267 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 18.7667 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.375 INCHES SECOND END |
| CWRB | BODY RECESS NOMINAL DEPTH | 0.688 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.751 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| CWWH | END NOMINAL LENGTH | 0.188 INCHES FIRST END |
| CWWN | END NOMINAL DIAMETER | 2.438 INCHES FIRST END |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.188 INCHES FIRST END |
| CWXB | FIRST STEP NOMINAL DIAMETER | 2.500 INCHES FIRST END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.328 INCHES AXIALLY THROUGH BODY,FIRST END |
| FEAT | SPECIAL FEATURES | DRILL POINT TIMING MARK LOCATED ON SIDE OF GEAR FACE ON CENTER LINE OF TOOTH SPACE 11 SPACES CCW FROM UPPER VERTICAL CENTER LINE |
| MATT | MATERIAL | IRON CAST OVERALL |
| STYL | STYLE DESIGNATOR | CONE SHAPE BODY,PROTRUDING HUB |
| Relevant Components for NSN - 3020-00-391-9521, 3020003919521 | ||||
| 3040-00-542-0494 (3040005420494) | 3020-00-622-2406 (3020006222406) | 3040-01-425-4898 (3040014254898) | 3010-01-302-9202 (3010013029202) | |
| 3040-00-709-1500 (3040007091500) | 3020-00-060-2503 (3020000602503) | 3040-00-115-5699 (3040001155699) | 3040-01-251-9385 (3040012519385) | |
| 3040-00-365-5573 (3040003655573) | 3040-01-627-0623 (3040016270623) | 3040-01-424-7581 (3040014247581) | 3040-01-476-8784 (3040014768784) | |
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