| 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) | 00-998-6245 (009986245) |
| NCB Code | USA (00) |
| Manufacturer | The Walter Machine Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| ABSA | SPLINE QUANTITY | 24 BOTH ENDS |
| AGJS | PITCH DIAMETER | 6.6670 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 80 |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 1.5000 INCHES NOMINAL BOTH ENDS |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.8090 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 30.0000 DEGREES |
| CWPZ | HELIX ANGLE | 23.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.093 INCHES BOTH ENDS |
| CWRM | FACE NOMINAL WIDTH | 2.000 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.563 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 2.000 INCHES FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.000 INCHES SECOND END |
| MATT | MATERIAL | STEEL COMP 4150 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 4150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| Relevant Components for NSN - 3020-00-998-6245, 3020009986245 | ||||
| 3040-01-667-4951 (3040016674951) | 3040-01-189-3254 (3040011893254) | 3020-00-517-5104 (3020005175104) | 3040-01-352-4546 (3040013524546) | |
| 3040-00-318-1738 (3040003181738) | 3040-00-972-7108 (3040009727108) | 3020-00-701-6905 (3020007016905) | 3040-00-406-3872 (3040004063872) | |
| 3040-01-512-0682 (3040015120682) | 3040-01-260-0598 (3040012600598) | 3010-01-067-2319 (3010010672319) | 3040-01-203-4245 (3040012034245) | |
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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