NSN 3020-00-146-1944 379150153101, 3791-50153-101, 00-146-1944
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-146-1944 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: 379150153101, 3791-50153-101, 3020-00-146-1944, 00-146-1944, 3020001461944, 001461944
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 10 SEP 1971 | 00-146-1944 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-146-1944
Cross Reference | NSN 3020-00-146-1944
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3791-50153-101 | 95542 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Related Products | NSN 3020-00-146-1944
Technical Data | NSN 3020-00-146-1944
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |
| TEETH QUANTITY | 30 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 0.9340 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM |
| NOMINAL OUTSIDE DIAMETER | 0.998 INCHES |
| FACE NOMINAL WIDTH | 0.200 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.230 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 SPLIT FIRST END |
| HUB NOMINAL DIAMETER | 0.249 INCHES FIRST END |
| CLAMPING SURFACE NOMINAL LENGTH | 0.141 INCHES FIRST END |
| MANUFACTURERS CODE | 95542 |
| DESIGN CONTROL REFERENCE | 3791-50153-101 |
Restrictions/Controls & Freight Information | NSN 3020-00-146-1944
| 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: | Q | Strategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.” |
| 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 | KE | Naval ICP Philadelphia, PA 19111 |
| 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 3020-00-146-1944
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 |