NSN 3020-00-682-3867 4432324A01, 44-32324A01, 00-682-3867
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-682-3867 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: 4432324A01, 44-32324A01, 3020-00-682-3867, 00-682-3867, 3020006823867, 006823867
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1961 | 00-682-3867 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-682-3867
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Technical Data | NSN 3020-00-682-3867
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| TEETH QUANTITY | 150 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | 4 PROTRUDING HUBS |
| PITCH DIAMETER | 3.1250 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.530 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.1666 INCHES |
| FACE NOMINAL WIDTH | 0.104 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.875 INCHES FIRST END 0.551 INCHES SECOND END |
| HUB STYLE DESIGNATOR | 4B 2 STEPS FIRST END 4A 1 STEP SECOND END |
| END NOMINAL LENGTH | 0.538 INCHES FIRST END 0.530 INCHES SECOND END |
| END NOMINAL DIAMETER | 0.310 INCHES BOTH ENDS |
| FIRST STEP NOMINAL LENGTH | 0.267 INCHES FIRST END 0.021 INCHES SECOND END |
| FIRST STEP NOMINAL DIAMETER | 0.380 INCHES FIRST END 0.500 INCHES SECOND END |
| SECOND STEP NOMINAL LENGTH | 0.070 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 0.880 INCHES FIRST END |
| ATTACHMENT METHOD | INTERNAL RING GROOVE |
| SPECIAL FEATURES | 0.280 IN.CLAMPING SURFACE LG ON BOTH HUB ENDS AND 0.060 IN.WIDE 0.298 IN. DIA GROOVES ON BOTH ENDS,0.250 IN.FROM END |
Restrictions/Controls & Freight Information | NSN 3020-00-682-3867
| 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 | 197339 | WHEELS COG/GEAR/PINION I/S |
| Less than car load rating | ||
| 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 | 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 3020-00-682-3867
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |