NSN 3020-00-678-2997 8754390, 00-678-2997, 006782997
Product Details | HELICAL GEAR
3020-00-678-2997 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: 8754390, 3020-00-678-2997, 00-678-2997, 3020006782997, 006782997
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-678-2997 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-00-678-2997
Cross Reference | NSN 3020-00-678-2997
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8754390 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Related Products | NSN 3020-00-678-2997
Technical Data | NSN 3020-00-678-2997
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 8620 OR STEEL COMP 8622 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 SAE 8620H FED STD ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM BODY 60.0 ROCKWELL C NOMINAL HUB |
| TEETH QUANTITY | 20 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 25.6000 DEGREES |
| STYLE DESIGNATOR | 4 PROTRUDING HUBS |
| PITCH DIAMETER | 2.8164 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.491 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.097 INCHES |
| FACE NOMINAL WIDTH | 1.250 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.191 INCHES FIRST END 0.050 INCHES SECOND END |
| BORE STYLE | 6 INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.332 INCHES BOTH ENDS |
| SPLINE QUANTITY | 15 BOTH ENDS |
| SPLINE PITCH DIAMETER | 1.2500 INCHES NOMINAL BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 1.660 INCHES FIRST END |
| BODY STYLE | 3B WEBBED, OFFSET, SOLID |
| SPECIAL FEATURES | SPLINE MINOR DIA 1.680 IN. |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 8754390 |
Restrictions/Controls & Freight Information | NSN 3020-00-678-2997
| 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 |