| 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) | 00-251-0872 (002510872) |
| NCB Code | USA (00) |
| Manufacturer | Control Flow Inc, Timken Gears And Services Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2531 | control flow inc | gear helical | 16603 | RFQ |
| C2531 | timken gears and services inc | gear helical | 97578 | RFQ |
| C2531 | control flow inc | gear helical | 16603 | RFQ |
| C2531-1 | control flow inc | gear helical | 16603 | RFQ |
| C2531-1 | timken gears and services inc | gear helical | 97578 | RFQ |
| C2531-2 | timken gears and services inc | gear helical | 97578 | RFQ |
| N12262APC6 | control flow inc | gear helical | 16603 | RFQ |
| N1262APC6 | timken gears and services inc | gear helical | 97578 | RFQ |
| N12925ALTAPC6 | control flow inc | gear helical | 16603 | RFQ |
| N16268ALTCPC6 | control flow inc | gear helical | 16603 | RFQ |
| N16268ALTCPC6 | timken gears and services inc | gear helical | 97578 | RFQ |
| N8350PC6 | control flow inc | gear helical | 16603 | RFQ |
| N8350PC6 | timken gears and services inc | gear helical | 97578 | RFQ |
| N8352ALTAPC6 | control flow inc | gear helical | 16603 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | SPOKED |
| AGJS | PITCH DIAMETER | 12.1670 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 73 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.4320 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 23.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 1.250 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 3.4975 INCHES FIRST END |
| CWSN | KEYWAY NOMINAL WIDTH | 0.875 INCHES FIRST END |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.518 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 5.000 INCHES FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 5.000 INCHES SECOND END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-15083,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | ONE PROTRUDING HUB,ONE FLUSH HUB |
| Components Related to NSN - 3020-00-251-0872, 3020002510872 | ||||
| 3020-00-093-3146 (3020000933146) | 3010-00-066-5754 (3010000665754) | 3040-01-434-0826 (3040014340826) | 3020-01-605-6227 (3020016056227) | |
| 3040-00-292-9403 (3040002929403) | 3020-01-132-9529 (3020011329529) | 3040-01-628-5278 (3040016285278) | 3040-00-763-7091 (3040007637091) | |
| 3030-01-302-3516 (3030013023516) | 3020-01-706-8292 (3020017068292) | 3010-01-530-0859 (3010015300859) | 3040-00-398-0619 (3040003980619) | |
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