Product Details | HELICAL GEAR

3020-00-247-8999 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: MAFB8660DPC50, AFB8652A, 16202443, 3020-00-247-8999, 00-247-8999, 3020002478999, 002478999

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-247-8999

Drawings & Photos | NSN 3020-00-247-8999


Cross Reference | NSN 3020-00-247-8999

Part Number Cage Code Manufacturer
16202443 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
AFB8652A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
MAFB8660DPC50 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE

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Technical Data | NSN 3020-00-247-8999

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-890,ALLOY NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 45
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 31.0083 DEGREES
STYLE DESIGNATOR 9 ONE PROTRUDING HUB, ONE RECESSED HUB
PITCH DIAMETER 7.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 7.7210 INCHES
FACE NOMINAL WIDTH 2.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.250 INCHES FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END 0.250 INCHES SECOND END
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 1.605 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.499 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 1.006 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 2.375 INCHES FIRST END 2.375 INCHES SECOND END
BODY STYLE 4A WEBBED, WITH LIGHTENING HOLES
MANUFACTURERS CODE 82796
DESIGN CONTROL REFERENCE AFB8652A

Restrictions/Controls & Freight Information | NSN 3020-00-247-8999

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 3020-00-247-8999

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