Product Details | SPUR ANTIBACKLASH GEAR

3020-00-406-6774 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: ADR12060P2, ADR120-60P2, 5346822060, 534682-2060, 3020-00-406-6774, 00-406-6774, 3020004066774, 004066774

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

Supply Group (FSG) NSN Assign. NIIN
30 24 APR 1970 00-406-6774

Drawings & Photos | NSN 3020-00-406-6774


Cross Reference | NSN 3020-00-406-6774

Part Number Cage Code Manufacturer
534682-2060 96214 RAYTHEON COMPANY DBA RAYTHEON
ADR120-60P2 12444 DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV

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Technical Data | NSN 3020-00-406-6774

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY STEEL COMP 303 HUB
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
SURFACE TREATMENT ANODIZE BODY PASSIVATE HUB
TEETH QUANTITY 60
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 0.6243 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER 0.645 INCHES
FACE NOMINAL WIDTH 0.125 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.313 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.120 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 2 SPLIT FIRST END
HUB NOMINAL DIAMETER 0.186 INCHES FIRST END
ATTACHMENT METHOD CLAMP

Restrictions/Controls & Freight Information | NSN 3020-00-406-6774

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
No Freight Information