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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) | 00-550-7143 (005507143) |
| NCB Code | USA (00) |
| Manufacturer | Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 14.0000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 56 |
| ANTP | BORE STYLE | W/ 3 KEYWAYS BOTH ENDS |
| BDZQ | BACKLASH DESIGNATION | GRADE E |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY,FIRST END |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY,SECOND END |
| CMLM | MOUNTING HOLE THREAD QUANTITY PER INCH | 32 AXIALLY THROUGH BODY,FIRST END |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES AXIALLY THROUGH BODY,FIRST END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES AXIALLY THROUGH BODY,SECOND END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY,SECOND END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 8 THREADED AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 14.397 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 2.995 INCHES |
| CWNH | TOOTH FORM | STUB |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.505 INCHES FIRST END |
| CWQR | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.500 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 2.090 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 3.812 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.748 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.226 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 5.375 INCHES FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 5.375 INCHES SECOND END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 12.875 INCHES AXIALLY THROUGH BODY,FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 7.000 INCHES AXIALLY THROUGH BODY,SECOND END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-11415 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STYL | STYLE DESIGNATOR | ONE PROTRUDING HUB,ONE RECESSED HUB |
| Relevant Components for NSN - 3020-00-550-7143, 3020005507143 | ||||
| 3040-01-548-6560 (3040015486560) | 3020-01-105-9139 (3020011059139) | 3020-01-162-5204 (3020011625204) | 3020-00-628-0235 (3020006280235) | |
| 3020-00-593-4827 (3020005934827) | 3040-01-654-4964 (3040016544964) | 3040-01-436-6908 (3040014366908) | 3020-00-074-9009 (3020000749009) | |
| 3020-01-006-8481 (3020010068481) | 3040-01-207-3097 (3040012073097) | 3040-01-062-2672 (3040010622672) | 3020-00-860-6946 (3020008606946) | |
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