| 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) | 00-243-7290 (002437290) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Hatch And Kirk Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM OVERALL AND 20.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.419 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 28.1391 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 3.250 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 4.0625 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.3125 INCHES SECOND END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 6.126 INCHES SECOND END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 7.125 INCHES FIRST END |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI 1033 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| AAQL | BODY STYLE | WEBBED,SOLID |
| AGJS | PITCH DIAMETER | 12.0208 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 53 |
| Relevant Components for NSN - 3020-00-243-7290, 3020002437290 | ||||
| 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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