Product Details | SPUR ANTIBACKLASH GEAR

3020-00-057-1512 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: P145200M0D, P14-5-200M0D, 10178196, 3020-00-057-1512, 00-057-1512, 3020000571512, 000571512

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JUN 1967 00-057-1512

Drawings & Photos | NSN 3020-00-057-1512


Demand History | NSN 3020-00-057-1512

Part Number Request Date QTY Origin
3020-00-057-1512 2010-01-28 15 DIBBS
3020-00-057-1512 2008-07-203 13 DIBBS
3020-00-057-1512 2008-03-84 6 DIBBS
3020-00-057-1512 2007-03-74 16 DIBBS

Cross Reference | NSN 3020-00-057-1512

Part Number Cage Code Manufacturer
10178196 18876 U S ARMY AVIATION AND MISSILE COMMAND
P14-5-200M0D 00141 ROLLER BEARING COMPANY OF AMERICA, INC.

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Technical Data | NSN 3020-00-057-1512

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY STEEL COMP 303 HUB
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
SURFACE TREATMENT ANODIZE BODY PASSIVATE HUB
TEETH QUANTITY 200
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 2.7776 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 2.8060 INCHES
FACE NOMINAL WIDTH 0.104 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.281 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN FIRST END
HUB NOMINAL DIAMETER 0.500 INCHES FIRST END
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 10178196

Restrictions/Controls & Freight Information | NSN 3020-00-057-1512

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 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 BD U.S. Army Aviation and Missile Command
Redstone Arsenal, AL 35898-5230
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 3020-00-057-1512

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each