NSN 3020-01-149-7938 01-149-7938, 011497938
Product Details | INTERNAL GEAR
3020-01-149-7938 A gear with teeth formed on the inner surface of a cylinder or cone.
Part Alternates: 3020-01-149-7938, 01-149-7938, 3020011497938, 011497938
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01-149-7938 | 05465 ( GEAR, INTERNAL ) |
Drawings & Photos | NSN 3020-01-149-7938
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Related Products | NSN 3020-01-149-7938
Technical Data | NSN 3020-01-149-7938
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | 52.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 54 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 21.0000 DEGREES |
| STYLE DESIGNATOR | 47 SOLID BACK RING, PROTRUDING HUB, RECESSED HUB |
| PITCH DIAMETER | 3.9750 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 2.1590 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.9250 INCHES |
| FACE NOMINAL WIDTH | 0.8200 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.8320 INCHES FIRST END |
| BORE STYLE | 6 INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.0140 INCHES BOTH ENDS |
| SPLINE QUANTITY | 30 BOTH ENDS |
| SPLINE PITCH DIAMETER | 0.9375 INCHES NOMINAL BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END 1 PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 1.9800 INCHES SECOND END |
| END NOMINAL LENGTH | 0.8170 INCHES FIRST END |
| END NOMINAL DIAMETER | 1.4050 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.0150 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 2.1400 INCHES FIRST END |
| BODY STYLE | 1 PLAIN, SOLID |
Restrictions/Controls & Freight Information | NSN 3020-01-149-7938
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||