NSN 3020-00-570-6490 C310140267, 00-570-6490, 005706490
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-570-6490 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: C310140267, 3020-00-570-6490, 00-570-6490, 3020005706490, 005706490
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1961 | 00-570-6490 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-570-6490
Cross Reference | NSN 3020-00-570-6490
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| C310140267 | 88818 | KEARFOTT CORPORATION DBA KEARFOTT |
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Technical Data | NSN 3020-00-570-6490
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 302 BODY STEEL COMP 347 HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE BODY FED STD 66,AISI 347/SAE 30347 FED STD SINGLE MATERIAL RESPONSE HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 80 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | 29 SIDE FACE, FRONT HUB FLUSH, BACK HUB PROTRUDING |
| PITCH DIAMETER | 0.8330 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.281 INCHES |
| NOMINAL OUTSIDE DIAMETER | 0.8520 INCHES |
| FACE NOMINAL WIDTH | 0.064 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.182 INCHES FIRST END 0.035 INCHES SECOND END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.119 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 SPLIT FIRST END 1 PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END 0.251 INCHES SECOND END |
| ATTACHMENT METHOD | CLAMP |
| SPECIAL FEATURES | TWO SPRINGS FURNISHED |
| MANUFACTURERS CODE | 88818 |
| DESIGN CONTROL REFERENCE | C310140267 |
Restrictions/Controls & Freight Information | NSN 3020-00-570-6490
| 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 | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| 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 3020-00-570-6490
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |