NSN 3020-00-146-1350 71185, 00-146-1350, 001461350
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-146-1350 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: 71185, 3020-00-146-1350, 00-146-1350, 3020001461350, 001461350
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 19 JAN 1973 | 00-146-1350 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-146-1350
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Technical Data | NSN 3020-00-146-1350
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 416 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 92 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 0.9575 INCHES MINIMUM AND 0.9582 INCHES MAXIMUM |
| NOMINAL OVERALL LENGTH | 0.555 INCHES |
| NOMINAL OUTSIDE DIAMETER | 0.978 INCHES |
| FACE NOMINAL WIDTH | 0.311 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.244 INCHES FIRST END |
| BORE STYLE | 14 W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.156 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 0.500 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.167 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.249 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.077 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.625 INCHES FIRST END |
| SPECIAL FEATURES | INTERNAL SPLINES,21 TEETH,120 PITCH DIA,0.154 MINOR DIA,0.186 IN. MAJOR DIA,0.0625 IN. LG,ADJACENT TO SECOND END COUNTERBORE |
| MANUFACTURERS CODE | 03538 |
| DESIGN CONTROL REFERENCE | 71185 |
Restrictions/Controls & Freight Information | NSN 3020-00-146-1350
| Category | Code | Description |
|---|---|---|
| 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. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| 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 | S | 60 |
| Less than truck load rating | R | 65.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |