NSN 3020-00-249-9929 0069373, 069373, 00-249-9929
Product Details | HELICAL GEAR
3020-00-249-9929 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: 0069373, 069373, 3020-00-249-9929, 00-249-9929, 3020002499929, 002499929
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1960 | 00-249-9929 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-00-249-9929
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Technical Data | NSN 3020-00-249-9929
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM BUSHING |
| TEETH QUANTITY | 30 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 23.16506 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 4.6615 INCHES NOMINAL |
| FACE NOMINAL WIDTH | 2.000 INCHES |
| BORE STYLE | 6 INVOLUTE SPLINE FIRST END |
| SPLINE QUANTITY | 21 FIRST END |
| SPLINE PITCH DIAMETER | 2.6250 INCHES NOMINAL FIRST END |
| HUB STYLE DESIGNATOR | 1 PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 3.250 INCHES FIRST END |
| BODY STYLE | 1 PLAIN, SOLID |
| SPECIAL FEATURES | SPLINE MINOR DIAMETER 2.521 MIN. 2.526 MAX. IN.; SPLINE MAJOR DIAMETER 2.75 MIN. 2.752 MAX. IN.; OVERALL LENGTH 2.312 MIN. 2.315 MAX. IN.; OUTSIDE DIAMETER 4.942 MIN. 4.947 MAX. IN.; BORE PROVISION INCLUDED; BORE LENGTH 2.312MIN. 2.315MAX. IN.; DISTANCE FROM FIRST END HUB TO FACE OF GEAR 0.312MIN. 0.315MAX. IN.; TOOTH PRESSURE ANGLE 30.0 DEG.; CIRCULAR PITCH 0.48804 IN.; 3/16 IN. BY 30 DEG CHAMFER BOTH ENDS OF BORE |
Restrictions/Controls & Freight Information | NSN 3020-00-249-9929
| Category | Code | Description |
|---|---|---|
| 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. |
| 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 | S | 60 |
| 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 | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 |