| 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) | 01-399-7403 (013997403) |
| NCB Code | USA (01) |
| Manufacturer | Oldenburg Group Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 4140 OVERALL |
| CWPP | Pressure Angle | 20.0000 DEGREES |
| CWMW | Teeth Type | SINGLE HELIX |
| CWSR | Nominal Distance From Bore Center To Keyway Bottom | 2.450 INCHES BOTH ENDS |
| CWRS | Bore Nominal Diameter | 4.251 INCHES BOTH ENDS |
| CWCD | Nominal Outside Diameter | 31.908 INCHES |
| CWRM | Face Nominal Width | 2.250 INCHES |
| CWTX | Hub Nominal Diameter | 7.500 INCHES BOTH ENDS |
| AJLA | Teeth Quantity | 183 |
| MRC | Decoded Requirement | Clear Text Reply |
| CWNM | Tooth Direction | LEFT |
| CWSN | Keyway Nominal Width | 1.002 INCHES BOTH ENDS |
| ANTP | Bore Style | W/ KEYWAY BOTH ENDS |
| CWPZ | Helix Angle | 15.0000 DEGREES |
| CWTR | Hub Style Designator | PLAIN BOTH ENDS |
| AAQL | Body Style | WEBBED, WITH LIGHTENING HOLES |
| AGJS | Pitch Diameter | 31.5770 INCHES NOMINAL |
| STYL | Style Designator | FLUSH HUB |
| Relevant Components for NSN - 3020-01-399-7403, 3020013997403 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
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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