Product Details | WORM GEAR

3020-00-491-9911 A gear with teeth on its outer surface in the form of helical threads.

Part Alternates: HDUH, 3020-00-491-9911, 00-491-9911, 3020004919911, 004919911

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

Supply Group (FSG) NSN Assign. NIIN
30 02 OCT 1970 00-491-9911

Cross Reference | NSN 3020-00-491-9911

Part Number Cage Code Manufacturer
HDUH 71041 ALTRA HOLDINGS, INC. DIV BOSTON GEAR

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Technical Data | NSN 3020-00-491-9911

Characteristic Specifications
THREAD FORM QUANTITY 2
THREAD FORM DIRECTION RIGHT-HAND
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 9.4667 DEGREES
PITCH DIAMETER 0.5000 INCHES NOMINAL
NOMINAL OVERALL LENGTH 1.062 INCHES
NOMINAL OUTSIDE DIAMETER 0.583 INCHES
FACE NOMINAL WIDTH 0.812 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.250 INCHES FIRST END
BORE NOMINAL DIAMETER 0.250 INCHES BOTH ENDS
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE NOMINAL DIAMETER 0.094 INCHES TRANSVERSELY THROUGH HUB, FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MANUFACTURERS CODE 71041
DESIGN CONTROL REFERENCE HDUH

Restrictions/Controls & Freight Information | NSN 3020-00-491-9911

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 HX Navy ICP
Mechanicsburg, PA 17055-0788
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 3020-00-491-9911

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