AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-391-0923 (003910923) |
| NCB Code | USA (00) |
| Manufacturer | Korody Colyer Corp, Hatch And Kirk Inc, General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,OFFSET,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 8.6250 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 69 |
| ANTP | BORE STYLE | W/COUNTERBORE COUNTERBORE,FIRST END |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH HUB,FIRST END |
| CQFM | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM OVERALL AND 13.0 ROCKWELL C MAXIMUM OVERALL |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH HUB,FIRST END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN AXIALLY THROUGH HUB,FIRST END AND 4 THREADED AXIALLY THROUGH HUB,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 8.874 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 25.8167 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.188 INCHES FIRST END |
| CWRB | BODY RECESS NOMINAL DEPTH | 1.000 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 1.250 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 4.375 INCHES COUNTERBORE,FIRST END |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.188 INCHES COUNTERBORE,FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 6.252 INCHES COUNTERBORE,FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 6.750 INCHES FIRST END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.500 INCHES AXIALLY THROUGH HUB,FIRST END |
| FEAT | SPECIAL FEATURES | FIGURE O STAMPED ON SIDE OF GEAR FACE ON CENTER LINE OF TOOTH SPACE ON UPPER VERTICAL CTR LINE |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB,RECESSED BODY |
| Relevant Components for NSN - 3020-00-391-0923, 3020003910923 | ||||
| 3040-01-293-6061 (3040012936061) | 3020-01-092-7507 (3020010927507) | 3020-01-526-6231 (3020015266231) | 3020-01-177-2167 (3020011772167) | |
| 3020-00-418-5559 (3020004185559) | 3040-00-011-9183 (3040000119183) | 3040-00-752-1099 (3040007521099) | 3040-00-423-9886 (3040004239886) | |
| 3020-01-109-4621 (3020011094621) | 3020-01-222-8376 (3020012228376) | 3020-00-875-8283 (3020008758283) | 3040-00-426-1884 (3040004261884) | |
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