Product Details | WORM GEAR

3020-00-251-7564 A gear with teeth on its outer surface in the form of helical threads.

Part Alternates: W40, 3020-00-251-7564, 00-251-7564, 3020002517564, 002517564

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-251-7564

Drawings & Photos | NSN 3020-00-251-7564


Cross Reference | NSN 3020-00-251-7564

Part Number Cage Code Manufacturer
W40 06245 BAYER CO THE

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Technical Data | NSN 3020-00-251-7564

Characteristic Specifications
MATERIAL STEEL OVERALL
FACE TYPE STRAIGHT
THREAD FORM QUANTITY 4
THREAD FORM DIRECTION LEFT-HAND
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 19.3165 DEGREES
STYLE DESIGNATOR 1 HUBLESS
PITCH DIAMETER 1.3490 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 1.715 INCHES
FACE NOMINAL WIDTH 2.000 INCHES
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 0.750 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.187 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.500 INCHES BOTH ENDS

Restrictions/Controls & Freight Information | NSN 3020-00-251-7564

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 3020-00-251-7564

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 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