Product Details | SPUR ANTIBACKLASH GEAR

3020-00-211-6291 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: 1328391, 132839-1, 3020-00-211-6291, 00-211-6291, 3020002116291, 002116291

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

Supply Group (FSG) NSN Assign. NIIN
30 22 APR 1973 00-211-6291

Drawings & Photos | NSN 3020-00-211-6291


Demand History | NSN 3020-00-211-6291

Part Number Request Date QTY Origin
132839-1 2021-05-138 15 DIBBS
3020-00-211-6291 2018-02-46 8 DIBBS
3020-00-211-6291 2017-08-239 8 DIBBS
3020-00-211-6291 2015-07-183 3 DIBBS
3020-00-211-6291 2015-06-172 3 DIBBS
3020-00-211-6291 2009-03-60 1 DIBBS

Cross Reference | NSN 3020-00-211-6291

Part Number Cage Code Manufacturer
132839-1 24930 EXELIS INC. DBA RADAR, RECONNAISSANCE & UNDERSEA

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Technical Data | NSN 3020-00-211-6291

Characteristic Specifications
MATERIAL ALUMINUM BODY STEEL CORROSION RESISTING HUB
SURFACE TREATMENT ANODIZE BODY PASSIVATE HUB
TEETH QUANTITY 120
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
PRECISION CLASSIFICATION QUALITY NUMBER 10
BACKLASH DESIGNATION GRADE C
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 2.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 2.5417 INCHES
FACE NOMINAL WIDTH 0.125 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.312 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 2 SPLIT FIRST END
HUB NOMINAL DIAMETER 0.313 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH 0.250 INCHES FIRST END
ATTACHMENT METHOD CLAMP
SPECIAL FEATURES ONE UNTHD HOLE 0.063 IN. DIA THROUGH BODY ON 2.000 IN. DIA BOLT CIRCLE
MANUFACTURERS CODE 24930
DESIGN CONTROL REFERENCE 132839-1

Restrictions/Controls & Freight Information | NSN 3020-00-211-6291

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 HH Navy ICP
Mechanicsburg, PA 17055-0788
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 3020-00-211-6291

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each