Product Details | HELICAL GEAR

3020-00-839-3245 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: HJ30, 3020-00-839-3245, 00-839-3245, 3020008393245, 008393245

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1960 00-839-3245

Drawings & Photos | NSN 3020-00-839-3245


Cross Reference | NSN 3020-00-839-3245

Part Number Cage Code Manufacturer
HJ30 00328 DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV
HJ30 57533 STEEGO CORP

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Technical Data | NSN 3020-00-839-3245

Characteristic Specifications
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
TEETH QUANTITY 30
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 45.0000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 0.8840 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 0.9250 INCHES
FACE NOMINAL WIDTH 0.187 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.250 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.2500 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN FIRST END
HUB NOMINAL DIAMETER 0.500 INCHES FIRST END
BODY STYLE 1 PLAIN, SOLID
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MANUFACTURERS CODE 57533
DESIGN CONTROL REFERENCE HJ30

Restrictions/Controls & Freight Information | NSN 3020-00-839-3245

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 3020-00-839-3245

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 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