Product Details | SPUR ANTIBACKLASH GEAR

3020-01-141-3769 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: 7241925P1, 3020-01-141-3769, 01-141-3769, 3020011413769, 011413769

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

Supply Group (FSG) NSN Assign. NIIN
30 27 OCT 1982 01-141-3769

Drawings & Photos | NSN 3020-01-141-3769


Cross Reference | NSN 3020-01-141-3769

Part Number Cage Code Manufacturer
7241925P1 03538 LOCKHEED MARTIN CORPORATION DIV MST

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Technical Data | NSN 3020-01-141-3769

Characteristic Specifications
MATERIAL STEEL COMP 303 AND STEEL COMP 416 BODY
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 303,COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763,CLASS 416,COND H FED SPEC 2ND MATERIAL RESPONSE BODY
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEETH QUANTITY 96
TOOTH FORM STANDARD
PRESSURE ANGLE 20.0000 DEGREES
PRECISION CLASSIFICATION QUALITY NUMBER 12
STYLE DESIGNATOR 2 PROTRUDING HUB
NOMINAL OVERALL LENGTH 0.390 INCHES
FACE NOMINAL WIDTH 0.175 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.090 INCHES FIRST END
BORE STYLE 1 PLAIN FIRST END
HUB STYLE DESIGNATOR 5 PINNED FIRST END
MOUNTING HOLE TYPE AND QUANTITY 1 PLAIN AXIALLY THROUGH HUB, FIRST END
SPECIAL FEATURES OUTSIDE DIAMETER 1.5281MIN 1.5312MAX IN.; PINNED ATTACHMENT METHOD; MOUNTING HOLE DIAMETER 0.076MIN 0.081MAX IN.; BORE PROVISION INCLUDED; BORE DIAMETER 0.2501MIN 0.2504MAX IN.; BORE LENGTH 0.39 IN.; FIRST END HUB DIAMETER 0.37MIN 0.375MAX IN.; FIRST END DISTANCE FROM END OF HUB TO CENTER OF TAPPED HOLE 0.125 IN.; CIRCULAR PITCH 0.04909 IN.
MANUFACTURERS CODE 03538
DESIGN CONTROL REFERENCE 7241925P1

Restrictions/Controls & Freight Information | NSN 3020-01-141-3769

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 132330 TRANSMISSIONS/CLUTCHES/PARTS,NOI
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 586 unknown
Originating Activity Code HD Naval Inventory Control Point
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 3020-01-141-3769

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