Product Details | SPUR ANTIBACKLASH GEAR

3020-00-135-0131 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: 2426090090, 242-609-0090, 3020-00-135-0131, 00-135-0131, 3020001350131, 001350131

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

Supply Group (FSG) NSN Assign. NIIN
30 22 JUL 1968 00-135-0131

Drawings & Photos | NSN 3020-00-135-0131


Cross Reference | NSN 3020-00-135-0131

Part Number Cage Code Manufacturer
242-609-0090 95542 NORTHROP GRUMMAN SYSTEMS CORPORATION

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Technical Data | NSN 3020-00-135-0131

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL HUB ALUMINUM ALLOY TEETH
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,ALLOY 2024 T4 FED SPEC 1ST MATERIAL RESPONSE BODY QQ-S-764,TYPE 303 COND A FED SPEC 3RD MATERIAL RESPONSE HUB QQ-A-225/6,ALLOY 2024 T4 FED SPEC 2ND MATERIAL RESPONSE TEETH
SURFACE TREATMENT ANODIZE BODY PASSIVATE HUB ANODIZE TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE BODY MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE TEETH
TEETH QUANTITY 90
PRESSURE ANGLE 20.0000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER 1.2767 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 0.1874 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 2 SPLIT FIRST END
HUB NOMINAL DIAMETER 0.250 INCHES FIRST END
ATTACHMENT METHOD CLAMP
MANUFACTURERS CODE 95542
DESIGN CONTROL REFERENCE 242-609-0090

Restrictions/Controls & Freight Information | NSN 3020-00-135-0131

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 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 3020-00-135-0131

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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
1
EA : Each