Product Details | HELICAL GEAR

3020-00-678-6085 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: P1157, 559D10618, 559D1-0618, 255065B, 3020-00-678-6085, 00-678-6085, 3020006786085, 006786085

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1961 00-678-6085

Drawings & Photos | NSN 3020-00-678-6085


Cross Reference | NSN 3020-00-678-6085

Part Number Cage Code Manufacturer
255065B 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
255065B 28265 HERCULES ENGINE CO INC
559D1-0618 75377 KURZ & ROOT GENERATOR COMPANY LLC
P1157 07860 BOGUE ELECTRIC MANUFACTURING CO
P1157 0BXF1 BOGUE SYSTEMS INC.

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Technical Data | NSN 3020-00-678-6085

Characteristic Specifications
MATERIAL STEEL OVERALL
HARDNESS RATING 197.0 BRINELL STANDARD MINIMUM AND 235.0 BRINELL STANDARD MAXIMUM OVERALL
TEETH QUANTITY 50
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 15.3249 DEGREES
STYLE DESIGNATOR 4 PROTRUDING HUBS
PITCH DIAMETER 6.4790 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 7.227 INCHES
FACE NOMINAL WIDTH 0.875 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.502 INCHES FIRST END 0.125 INCHES SECOND END
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 1.250 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.251 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.745 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END 1 PLAIN SECOND END
HUB NOMINAL DIAMETER 1.684 INCHES SECOND END
END NOMINAL LENGTH 0.190 INCHES FIRST END
END NOMINAL DIAMETER 1.623 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.311 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 2.000 INCHES FIRST END
BODY STYLE 3A WEBBED, SOLID

Restrictions/Controls & Freight Information | NSN 3020-00-678-6085

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 3020-00-678-6085

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each