Product Details | HELICAL GEAR

3020-00-346-8845 A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL

Part Alternates: A191211, A1912-11, 99115228, 15228, 3020-00-346-8845, 00-346-8845, 3020003468845, 003468845

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-346-8845

Drawings & Photos | NSN 3020-00-346-8845


Demand History | NSN 3020-00-346-8845

Part Number Request Date QTY Origin
99115228 2025-09-255 6 DIBBS
A1912-11 2025-09-255 6 DIBBS
99115228 2025-07-205 6 DIBBS
A1912-11 2025-07-205 6 DIBBS
99115228 2025-04-100 4 DIBBS
A1912-11 2025-04-100 4 DIBBS
99115228 2024-04-109 5 DIBBS
A1912-11 2024-04-109 5 DIBBS
99115228 2023-09-271 4 DIBBS
A1912-11 2023-09-271 4 DIBBS
99115228 2022-10-279 4 DIBBS
A1912-11 2022-10-279 4 DIBBS
99115228 2022-03-79 5 DIBBS
A1912-11 2022-03-79 5 DIBBS
99115228 2021-03-87 5 DIBBS
A1912-11 2021-03-87 5 DIBBS
3020-00-346-8845 2017-07-208 14 US
3020-00-346-8845 2017-07-208 14 DIBBS
3020-00-346-8845 2017-04-100 13 DIBBS
3020-00-346-8845 2017-03-72 11 DIBBS
3020-00-346-8845 2017-03-61 11 DIBBS
3020-00-346-8845 2017-02-37 11 DIBBS
3020-00-346-8845 2016-09-273 12 DIBBS
3020-00-346-8845 2016-06-181 6 DIBBS
3020-00-346-8845 2015-12-354 8 DIBBS
3020-00-346-8845 2013-09-266 9 DIBBS
3020-00-346-8845 2013-08-238 9 DIBBS
3020-00-346-8845 2013-08-223 9 DIBBS
3020-00-346-8845 2013-05-142 7 DIBBS
3020-00-346-8845 2012-04-117 5 DIBBS
3020-00-346-8845 2011-12-362 5 DIBBS
3020-00-346-8845 2011-12-348 1 DIBBS
3020-00-346-8845 2011-12-339 2 DIBBS
3020-00-346-8845 2011-10-280 1 DIBBS
3020-00-346-8845 2011-09-264 1 DIBBS
3020-00-346-8845 2008-03-91 10 DIBBS

Cross Reference | NSN 3020-00-346-8845

Part Number Cage Code Manufacturer
15228 71871 ALFA LAVAL INC.
99115228 71871 ALFA LAVAL INC.
A1912-11 57217 STRIEGEL SUPPLY INC
A1912-11 71871 ALFA LAVAL INC.

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Technical Data | NSN 3020-00-346-8845

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
TEETH QUANTITY 70
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 47.8664 DEGREES
STYLE DESIGNATOR 1 HUBLESS
PITCH DIAMETER 8.6949 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 8.8615 INCHES
FACE NOMINAL WIDTH 1.031 INCHES
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 7.0870 INCHES BOTH ENDS
BODY STYLE 1 PLAIN, SOLID
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 6 PLAIN AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL DIAMETER 0.281 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER 7.677 INCHES AXIALLY THROUGH BODY, FIRST END
SPECIAL FEATURES BOLT HOLES ARE EXTENDED 11/32 IN. BEYOND FACE OF TEETH
MANUFACTURERS CODE 71871
DESIGN CONTROL REFERENCE 99115228

Restrictions/Controls & Freight Information | NSN 3020-00-346-8845

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 XX
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 3020-00-346-8845

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