| 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 | ||||
| 3040-00-609-5218 (3040006095218) | 3020-01-056-6488 (3020010566488) | 3040-01-411-9471 (3040014119471) | 3010-01-461-2220 (3010014612220) | |
| 3040-01-164-3411 (3040011643411) | 3010-01-464-1141 (3010014641141) | 3020-00-310-5518 (3020003105518) | 3020-00-920-3050 (3020009203050) | |
| 3020-01-060-1100 (3020010601100) | 3020-00-344-7198 (3020003447198) | 3040-01-121-1554 (3040011211554) | 3040-00-042-8422 (3040000428422) | |
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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