Product Details | HELICAL GEAR

3020-00-517-3930 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: 315709, 3020-00-517-3930, 00-517-3930, 3020005173930, 005173930

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-517-3930

Drawings & Photos | NSN 3020-00-517-3930


Cross Reference | NSN 3020-00-517-3930

Part Number Cage Code Manufacturer
315709 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
315709 21444 REXNORD LLC DIV FALK GEAR GROUP DIVISION
315709 82328 DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND

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Technical Data | NSN 3020-00-517-3930

Characteristic Specifications
MATERIAL STEEL OVERALL
HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 36
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 30.0483 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 3.0000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 3.1440 INCHES
FACE NOMINAL WIDTH 1.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.281 INCHES FIRST END
BORE STYLE 12 TAPERED W/KEYWAY FIRST END
KEYWAY NOMINAL WIDTH 0.3130 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.8732 INCHES FIRST END
TAPER MAJOR NOMINAL DIAMETER 1.3700 INCHES FIRST END
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 2.250 INCHES FIRST END
BODY STYLE 1 PLAIN, SOLID
FEATURES PROVIDED TAPERED KEYWAY
SPECIAL FEATURES CBORE 2ND END; 2.1880 IN. DIA; 0.3750 IN. DP
MANUFACTURERS CODE 21444
DESIGN CONTROL REFERENCE 315709

Restrictions/Controls & Freight Information | NSN 3020-00-517-3930

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 3020-00-517-3930

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each