Product Details | HELICAL GEAR

3020-00-251-0930 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: MADG8660APC42, MADG8660EPC42, ADD8695A, ADE8695A, 10ADE8660APC32, 10ADE8660CPC32, 13ADD8660CPC42, 13ADD866APC42, 7ADD8660APC32, 7ADD8660CPC32, 3020-00-251-0930, 00-251-0930, 3020002510930, 002510930

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-251-0930

Drawings & Photos | NSN 3020-00-251-0930


Cross Reference | NSN 3020-00-251-0930

Part Number Cage Code Manufacturer
10ADE8660APC32 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
10ADE8660CPC32 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
13ADD8660CPC42 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
13ADD866APC42 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
7ADD8660APC32 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
7ADD8660CPC32 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
ADD8695A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
ADE8695A 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
MADG8660APC42 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
MADG8660EPC42 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE

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Technical Data | NSN 3020-00-251-0930

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 22
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 34.0000 DEGREES
STYLE DESIGNATOR 1 HUBLESS
PITCH DIAMETER 2.6540 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 2.853 INCHES
FACE NOMINAL WIDTH 1.250 INCHES
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 1.250 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.374 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.766 INCHES BOTH ENDS
BODY STYLE 1 PLAIN, SOLID

Restrictions/Controls & Freight Information | NSN 3020-00-251-0930

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 3020-00-251-0930

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
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each