Product Details | HELICAL GEAR

3020-00-245-8317 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: 3213387, 3020-00-245-8317, 00-245-8317, 3020002458317, 002458317

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-245-8317

Drawings & Photos | NSN 3020-00-245-8317


Cross Reference | NSN 3020-00-245-8317

Part Number Cage Code Manufacturer
3213387 55380 HATCH & KIRK, INC. DIV HATCH & KIRK INC
3213387 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV

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Technical Data | NSN 3020-00-245-8317

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-890,ALLOY NO. 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 92.0 ROCKWELL B NOMINAL OVERALL
TEETH QUANTITY 82
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 14.9167 DEGREES
STYLE DESIGNATOR 3 RECESSED HUBS
PITCH DIAMETER 16.4000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 16.6830 INCHES
FACE NOMINAL WIDTH 3.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END 0.257 INCHES BOTH ENDS
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 3.000 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.749 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 1.7135 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 6A 1 GROOVE FIRST END 1 PLAIN SECOND END
HUB NOMINAL DIAMETER 4.500 INCHES FIRST END 4.500 INCHES SECOND END
FIRST GROOVE NOMINAL WIDTH 0.125 INCHES FIRST END
FIRST GROOVE NOMINAL DIAMETER 4.250 INCHES FIRST END
NOMINAL DISTANCE FROM END TO FIRST GROOVE 0.375 INCHES FIRST END
BODY STYLE 4A WEBBED, WITH LIGHTENING HOLES
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 BORE CHAMFERED BOTH ENDS 1/16 IN. BY 45 DEG

Restrictions/Controls & Freight Information | NSN 3020-00-245-8317

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 3020-00-245-8317

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each