NSN 3020-01-119-7544 1049381, 104938-1, 5253291
Product Details | SPUR ANTIBACKLASH GEAR
3020-01-119-7544 An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
Part Alternates: 1049381, 104938-1, 5253291, 5253-291, 3020-01-119-7544, 01-119-7544, 3020011197544, 011197544
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 02 OCT 1981 | 01-119-7544 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-01-119-7544
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Technical Data | NSN 3020-01-119-7544
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| TEETH QUANTITY | 72 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 6.0000 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.556 INCHES |
| NOMINAL OUTSIDE DIAMETER | 6.1667 INCHES |
| FACE NOMINAL WIDTH | 0.242 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.314 INCHES BOTH ENDS |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 SPLIT BOTH ENDS |
| HUB NOMINAL DIAMETER | 0.310 INCHES FIRST END |
| CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END |
| MANUFACTURERS CODE | 82152 |
| DESIGN CONTROL REFERENCE | 104938-1 |
Restrictions/Controls & Freight Information | NSN 3020-01-119-7544
| 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 |
|---|---|---|
| No Freight Information | ||