| 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) | 00-289-7957 (002897957) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Mtu America Inc, Gkn Rockford Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,SOLID |
| AGJS | PITCH DIAMETER | 7.5920 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 44 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CQFM | HARDNESS RATING | 20.3 ROCKWELL C MINIMUM HUB AND 25.6 ROCKWELL C MAXIMUM HUB |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM TEETH AND 46.0 ROCKWELL C MAXIMUM TEETH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.9250 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 15.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.8715 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 3.187 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 2.751 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.752 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.707 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 3.750 INCHES SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 4.250 INCHES FIRST END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | ONE PROTRUDING HUB,ONE FLUSH HUB |
| Components Related to NSN - 3020-00-289-7957, 3020002897957 | ||||
| 3040-01-616-1715 (3040016161715) | 3040-01-519-1220 (3040015191220) | 3010-01-357-7602 (3010013577602) | 3010-01-578-0605 (3010015780605) | |
| 3040-01-341-0142 (3040013410142) | 3040-01-507-5715 (3040015075715) | 3040-00-126-4217 (3040001264217) | 3040-01-321-4483 (3040013214483) | |
| 3040-00-670-6700 (3040006706700) | 3020-00-908-1663 (3020009081663) | 3020-00-757-4149 (3020007574149) | 3020-00-064-6372 (3020000646372) | |
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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