Product Details | SPUR ANTIBACKLASH GEAR

3020-00-014-5803 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: 103545, 3020-00-014-5803, 00-014-5803, 3020000145803, 000145803

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

Supply Group (FSG) NSN Assign. NIIN
30 06 MAY 1968 00-014-5803

Drawings & Photos | NSN 3020-00-014-5803


Cross Reference | NSN 3020-00-014-5803

Part Number Cage Code Manufacturer
103545 10138 ASTRONAUTICS CORPORATION OF AMERICA

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Technical Data | NSN 3020-00-014-5803

Characteristic Specifications
MATERIAL STEEL COMP 303S OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
TEETH QUANTITY 81
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
PRECISION CLASSIFICATION QUALITY NUMBER 10
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 0.6750 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 0.6910 INCHES
FACE NOMINAL WIDTH 0.141 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.482 INCHES FIRST END
HUB STYLE DESIGNATOR 4B 2 STEPS FIRST END
END NOMINAL LENGTH 0.062 INCHES FIRST END
END NOMINAL DIAMETER 0.093 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.020 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 0.125 INCHES FIRST END
SECOND STEP NOMINAL LENGTH 0.395 INCHES FIRST END
SECOND STEP NOMINAL DIAMETER 0.187 INCHES FIRST END
MANUFACTURERS CODE 10138
DESIGN CONTROL REFERENCE 103545

Restrictions/Controls & Freight Information | NSN 3020-00-014-5803

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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 197339 WHEELS COG/GEAR/PINION I/S
Less than car load rating
Less than truck load rating R 65.0
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 3020-00-014-5803

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each