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| 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) | 00-316-7631 (003167631) |
| NCB Code | USA (00) |
| Manufacturer | L3 Technologies Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSA | SPLINE QUANTITY | 15 BOTH ENDS |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 4.1250 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 33 |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 1.5000 INCHES NOMINAL BOTH ENDS |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 12 PLAIN AXIALLY THROUGH FLANGE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.372 INCHES |
| CWNH | TOOTH FORM | STANDARD |
| CWNK | FLANGE NOMINAL DIAMETER | 7.250 INCHES |
| CWNY | PILOT NOMINAL LENGTH | 0.880 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPS | FLANGE NOMINAL THICKNESS | 0.380 INCHES |
| CWRM | FACE NOMINAL WIDTH | 0.500 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.615 INCHES BOTH ENDS |
| CWSH | NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE | 2.310 INCHES |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.410 INCHES SECOND END |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.690 INCHES FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 1.750 INCHES FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 4.1250 INCHES SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 2.250 INCHES BETWEEN BODY AND FLANGE |
| CWYN | PILOT NOMINAL DIAMETER | 2.832 INCHES |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.595 INCHES AXIALLY THROUGH FLANGE |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 6.000 INCHES AXIALLY THROUGH FLANGE |
| FEAT | SPECIAL FEATURES | SPLINE MINOR DIA. 1.442 IN. NOM |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE 8620 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | FLANGED END WITH PILOT |
| Relevant Components for NSN - 3020-00-316-7631, 3020003167631 | ||||
| 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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