Product Details | SPUR ANTIBACKLASH GEAR

3020-00-925-3026 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: 1854837-22, 3020-00-925-3026, 00-925-3026, 3020009253026, 185483722, 009253026

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 20 JAN 1966 00-925-3026

Drawings & Photos | NSN 3020-00-925-3026


Cross Reference | NSN 3020-00-925-3026

Part Number Cage Code Manufacturer
1854837-22 55972 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS

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Technical Data | NSN 3020-00-925-3026

Characteristic Specifications
MATERIAL ALUMINUM ALLOY FIRST STEP OF HUB ALUMINUM ALLOY HUB ALUMINUM ALLOY SECOND GEAR STEEL CORROSION RESISTING SPRING
SURFACE TREATMENT ANODIZE FIRST GEAR ANODIZE HUB ANODIZE SECOND GEAR
TEETH QUANTITY 60
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 0.7500 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 0.775 INCHES
FACE NOMINAL WIDTH 0.062 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.141 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.094 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 2 SPLIT FIRST END
HUB NOMINAL DIAMETER 0.165 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH 0.078 INCHES FIRST END
ATTACHMENT METHOD CLAMP
SPECIAL FEATURES CLAMPING COLLAR ASSEMBLY INCLUDED

Restrictions/Controls & Freight Information | NSN 3020-00-925-3026

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious 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 SN Air Force Logistics Command
Wright-Patterson AFB, OH 45433-5000
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable