| 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) | 00-091-7817 (000917817) |
| NCB Code | USA (00) |
| Manufacturer | Cummins Incorporated, La Gary Co, Trw Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 6.5000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 48 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| BDZQ | BACKLASH DESIGNATION | GRADE A |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY,FIRST END |
| CMLM | MOUNTING HOLE THREAD QUANTITY PER INCH | 16 AXIALLY THROUGH BODY,FIRST END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY,FIRST END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.757 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 1.813 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | 19.2416 DEGREES |
| CWPZ | HELIX ANGLE | 16.4556 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.063 INCHES FIRST END |
| CWQR | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.171 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 1.750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 3.1250 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 1.422 INCHES SECOND END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 3.543 INCHES SECOND END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 4.875 INCHES SECOND END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.125 INCHES AXIALLY THROUGH BODY,FIRST END |
| MATT | MATERIAL | STEEL COMP 4340H OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 4340H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | ONE PROTRUDING HUB,ONE RECESSED HUB |
| Relevant Components for NSN - 3020-00-091-7817, 3020000917817 | ||||
| 3040-00-808-7450 (3040008087450) | 3040-01-301-9123 (3040013019123) | 3040-01-259-8369 (3040012598369) | 3010-01-237-0980 (3010012370980) | |
| 3010-00-049-6307 (3010000496307) | 3020-01-602-2185 (3020016022185) | 3020-00-110-2338 (3020001102338) | 3040-01-026-9330 (3040010269330) | |
| 3040-01-424-8119 (3040014248119) | 3020-01-199-3007 (3020011993007) | 3040-01-224-7962 (3040012247962) | 3020-00-391-6258 (3020003916258) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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