Product Details | HELICAL GEAR

3020-00-239-5511 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: 3305014, 3020-00-239-5511, 00-239-5511, 3020002395511, 002395511

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-239-5511

Drawings & Photos | NSN 3020-00-239-5511


Cross Reference | NSN 3020-00-239-5511

Part Number Cage Code Manufacturer
3305014 55380 HATCH & KIRK, INC. DIV HATCH & KIRK INC
3305014 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV

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Technical Data | NSN 3020-00-239-5511

Characteristic Specifications
MATERIAL STEEL COMP 1035 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 72.0 ROCKWELL C MINIMUM AND 9.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 80
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 14.9167 DEGREES
STYLE DESIGNATOR 6 FLUSH HUBS
PITCH DIAMETER 16.0000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 16.043 INCHES
FACE NOMINAL WIDTH 2.500 INCHES
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 2.999 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.377 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 1.005 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 4.500 INCHES FIRST END 4.500 INCHES SECOND END
BODY STYLE 3A WEBBED, SOLID
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH 13 TRANSVERSELY THROUGH HUB, FIRST END
SPECIAL FEATURES FIG 2 STAMPED ON GEAR SIDE ON LOWER CTR. LINE OF TOOTH SPACE OPPOSITE KEYWAY,FIG 3 STAMPED ON GEAR SIDE ON CENTER LINE OF TOOTH 150 DEG 45 MIN CCW FROM STAMPED FIG 2

Restrictions/Controls & Freight Information | NSN 3020-00-239-5511

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 S 60
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 3020-00-239-5511

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
ReparabilityHDepot Level Reparable
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each