Product Details | HELICAL GEAR

3020-00-251-0872 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: N12262APC6, N1262APC6, N12925ALTAPC6, N16268ALTCPC6, N8350PC6, N8352ALTAPC6, C2531, C25311, C2531-1, C25312, C2531-2, 2531, 3020-00-251-0872, 00-251-0872, 3020002510872, 002510872

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-251-0872

Drawings & Photos | NSN 3020-00-251-0872


Demand History | NSN 3020-00-251-0872

Part Number Request Date QTY Origin
3020-00-251-0872 2010-11-319 6 DIBBS

Cross Reference | NSN 3020-00-251-0872

Part Number Cage Code Manufacturer
2531 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
C2531 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
C2531 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
C2531-1 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
C2531-1 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
C2531-2 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
N12262APC6 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
N1262APC6 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
N12925ALTAPC6 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
N16268ALTCPC6 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
N16268ALTCPC6 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
N8350PC6 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
N8350PC6 97578 TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR
N8352ALTAPC6 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION

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Technical Data | NSN 3020-00-251-0872

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-15083,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY 73
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 23.0000 DEGREES
STYLE DESIGNATOR 5 ONE PROTRUDING HUB, ONE FLUSH HUB
PITCH DIAMETER 12.1670 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 12.4320 INCHES
FACE NOMINAL WIDTH 1.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.125 INCHES FIRST END
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 3.4975 INCHES FIRST END
KEYWAY NOMINAL WIDTH 0.875 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.518 INCHES FIRST END
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 5.000 INCHES FIRST END 5.000 INCHES SECOND END
BODY STYLE 5A SPOKED

Restrictions/Controls & Freight Information | NSN 3020-00-251-0872

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 3020-00-251-0872

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