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| 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) | 00-289-7673 (002897673) |
| NCB Code | USA (00) |
| Manufacturer | Rca Ltd, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 3.1112 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 22 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM HUB AND 36.0 ROCKWELL C MAXIMUM HUB |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM TEETH AND 36.0 ROCKWELL C MAXIMUM TEETH |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 8 PLAIN AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.3112 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 4.6875 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 45.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.687 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 2.0000 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | 3 STEPS FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.531 INCHES SECOND END |
| CWWN | END NOMINAL DIAMETER | 2.500 INCHES FIRST END |
| CWWS | FIRST STEP NOMINAL LENGTH | 1.250 INCHES FIRST END |
| CWXB | FIRST STEP NOMINAL DIAMETER | 2.531 INCHES FIRST END |
| CWXG | SECOND STEP NOMINAL LENGTH | 2.936 INCHES FIRST END |
| CWXP | THIRD STEP NOMINAL LENGTH | 0.125 INCHES FIRST END |
| CWXT | THIRD STEP NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.272 INCHES AXIALLY THROUGH BODY,FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.312 INCHES AXIALLY THROUGH BODY,FIRST END |
| MATT | MATERIAL | STEEL COMP 416 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 3020-00-289-7673, 3020002897673 | ||||
| 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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