NSN 3020-00-737-7495 3TF321A, 427130, 7377495
Product Details | HELICAL GEAR
3020-00-737-7495 A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL
Part Alternates: 3TF321A, 427130, 7377495, 3020-00-737-7495, 00-737-7495, 3020007377495, 007377495
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-737-7495 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-00-737-7495
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Related Products | NSN 3020-00-737-7495
Technical Data | NSN 3020-00-737-7495
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4320 OR STEEL COMP 8620H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 4320 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624,COMP 8620H FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 37 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 24.6200 DEGREES |
| STYLE DESIGNATOR | 9 ONE PROTRUDING HUB, ONE RECESSED HUB |
| PITCH DIAMETER | 6.7835 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.999 INCHES |
| NOMINAL OUTSIDE DIAMETER | 7.114 INCHES |
| FACE NOMINAL WIDTH | 1.188 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.813 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.094 INCHES SECOND END |
| BORE STYLE | 10A W/KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.349 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.498 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.382 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 3.000 INCHES FIRST END 3.000 INCHES SECOND END |
| BODY STYLE | 4A WEBBED, WITH LIGHTENING HOLES |
Restrictions/Controls & Freight Information | NSN 3020-00-737-7495
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 197339 | WHEELS COG/GEAR/PINION I/S |
| Less than car load rating | ||
| Less than truck load rating | R | 65.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |