Product Details | HELICAL GEAR

3020-00-739-4870 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: 5H2352, 3020-00-739-4870, 00-739-4870, 3020007394870, 007394870

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-739-4870

Drawings & Photos | NSN 3020-00-739-4870


Cross Reference | NSN 3020-00-739-4870

Part Number Cage Code Manufacturer
5H2352 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 3020-00-739-4870

Characteristic Specifications
MATERIAL STEEL OVERALL
TEETH QUANTITY 41
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 23.0000 DEGREES
STYLE DESIGNATOR 4 PROTRUDING HUBS
PITCH DIAMETER 8.8750 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 9.1875 INCHES
FACE NOMINAL WIDTH 1.590 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.344 INCHES SECOND END
BORE STYLE 6 INVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER 3.220 INCHES BOTH ENDS
SPLINE QUANTITY 15 BOTH ENDS
SPLINE PITCH DIAMETER 2.9950 INCHES NOMINAL BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 4.250 INCHES FIRST END 4.000 INCHES SECOND END
BODY STYLE 4A WEBBED, WITH LIGHTENING HOLES
SPECIAL FEATURES COUNTERBORE FIRST END,DIA. 3.375 IN. NOMINAL,DEPTH 0.239 IN. NOMINAL

Restrictions/Controls & Freight Information | NSN 3020-00-739-4870

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
No Freight Information

Management | NSN 3020-00-739-4870

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 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