NSN 3020-00-818-4964 743C2681, 743C268-1, 00-818-4964
Product Details | WORM WHEEL GEAR
3020-00-818-4964 A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a GEAR (1), WORM. See also GEAR, ANTIBACKLASH, WORM WHEEL.
Part Alternates: 743C2681, 743C268-1, 3020-00-818-4964, 00-818-4964, 3020008184964, 008184964
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1962 | 00-818-4964 | 05468 ( GEAR, WORM WHEEL ) |
Drawings & Photos | NSN 3020-00-818-4964
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Related Products | NSN 3020-00-818-4964
Technical Data | NSN 3020-00-818-4964
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | GENERAL ELECTRIC CO,SPEC B11G22A MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 50 |
| TOOTH DIRECTION | RIGHT |
| FACE TYPE | CONCAVE |
| THROAT NOMINAL RADIUS | 1.980 INCHES |
| MATING THREAD LEAD QUANTITY | 3 |
| PRESSURE ANGLE | 25.0000 DEGREES |
| HELIX ANGLE | 15.1027 DEGREES |
| STYLE DESIGNATOR | 1 HUBLESS |
| PITCH DIAMETER | 20.6900 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 21.745 INCHES |
| FACE NOMINAL WIDTH | 3.125 INCHES |
| BORE STYLE | 14 W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 12.500 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.844 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 17.501 INCHES BOTH ENDS |
| BODY STYLE | 1 PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 8 COUNTERBORED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 1.094 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 15.000 INCHES AXIALLY THROUGH BODY, FIRST END |
| MANUFACTURERS CODE | 81893 |
| DESIGN CONTROL REFERENCE | 743C268-1 |
Restrictions/Controls & Freight Information | NSN 3020-00-818-4964
| 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 | 576 | 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 3020-00-818-4964
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 |