Product Details | SPUR ANTIBACKLASH GEAR

3020-01-052-2846 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: MZ3G-120X-AP1 0., MZ3G-120X-AP1 0.090 BORE, MZ3G120XAP10, MZ3G120XAP10090BORE, MZ3G120XAQ10, MZ3G-120X-AQ10-., MZ3G-120X-AQ10-.0900, MZ3G120XAQ100900, ABC49-120 0.090, ABC49-120 0.090 BORE, ABC491200090, ABC491200090BORE, Z3G-120X-AP1 0.0900 BORE, Z3G120XAP100900BORE, 802785, 8027852120, 802785-2120, 3020-01-052-2846, 01-052-2846, 3020010522846, 010522846

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

Supply Group (FSG) NSN Assign. NIIN
30 12 DEC 1977 01-052-2846

Drawings & Photos | NSN 3020-01-052-2846


Demand History | NSN 3020-01-052-2846

Part Number Request Date QTY Origin
3020-01-052-2846 2013-12-355 2 DIBBS
3020-01-052-2846 2013-12-339 2 DIBBS

Cross Reference | NSN 3020-01-052-2846

Part Number Cage Code Manufacturer
802785 96214 RAYTHEON COMPANY DBA RAYTHEON
802785-2120 96214 RAYTHEON COMPANY DBA RAYTHEON
ABC49-120 0.090 23266 SECS, INC.
ABC49-120 0.090 BORE 23266 SECS, INC.
MZ3G-120X-AP1 0. 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV
MZ3G-120X-AP1 0.090 BORE 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV
MZ3G-120X-AQ10-. 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV
MZ3G-120X-AQ10-.0900 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV
Z3G-120X-AP1 0.0900 BORE 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV

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Technical Data | NSN 3020-01-052-2846

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 QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB
SURFACE TREATMENT ANODIZE BODY PASSIVATE HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE HUB
TEETH QUANTITY 120
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
PRECISION CLASSIFICATION QUALITY NUMBER 10 OR QUALITY NUMBER 11
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 1.4990 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER 1.524 INCHES
FACE NOMINAL WIDTH 0.104 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.221 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.090 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END
END NOMINAL LENGTH 0.190 INCHES FIRST END
END NOMINAL DIAMETER 0.188 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.190 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 0.250 INCHES FIRST END
ATTACHMENT METHOD CLAMP

Restrictions/Controls & Freight Information | NSN 3020-01-052-2846

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 3020-01-052-2846

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