NSN 3020-00-546-9763 BA92745, 7604269, 00-546-9763
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-546-9763 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: BA92745, 7604269, 3020-00-546-9763, 00-546-9763, 3020005469763, 005469763
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-546-9763 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-546-9763
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Technical Data | NSN 3020-00-546-9763
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 BODY STEEL CORROSION RESISTING HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| TEETH QUANTITY | 95 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 14.5000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 1.9772 INCHES MINIMUM AND 1.9792 INCHES MAXIMUM |
| NOMINAL OVERALL LENGTH | 0.328 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.019 INCHES |
| FACE NOMINAL WIDTH | 0.183 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.132 INCHES FIRST END |
| BORE STYLE | 10A W/KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.240 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.062 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.168 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.069 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.625 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.062 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7604269 |
Restrictions/Controls & Freight Information | NSN 3020-00-546-9763
| 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 | 133300 | MACHINERY/MACHINES NOI |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| 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 |
Management | NSN 3020-00-546-9763
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |