Product Details | GEAR CLUSTER

3020-00-978-1868 A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.

Part Alternates: 9850313G702, 3020-00-978-1868, 00-978-1868, 3020009781868, 009781868

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

Supply Group (FSG) NSN Assign. NIIN
30 07 OCT 1966 00-978-1868

Drawings & Photos | NSN 3020-00-978-1868


Cross Reference | NSN 3020-00-978-1868

Part Number Cage Code Manufacturer
9850313G702 97424 AMETEK, INC. DIV AEROSPACE & DEFENSE

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Technical Data | NSN 3020-00-978-1868

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING SHAFT/HUB ALUMINUM ALLOY FIRST GEAR STEEL CORROSION RESISTING SECOND GEAR
SURFACE TREATMENT PASSIVATE SHAFT/HUB ANODIZE FIRST GEAR PASSIVATE SECOND GEAR
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 0.541 INCHES FIRST GEAR 0.143 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 0.574 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 10 OR QUALITY NUMBER 11 ALL GEARS
BACKLASH DESIGNATION GRADE C ALL GEARS
HUB STYLE DESIGNATOR 4A 1 STEP BETWEEN FIRST AND SECOND GEAR 4A 1 STEP BOTH ENDS
HUB NOMINAL LENGTH 0.288 INCHES BETWEEN FIRST AND SECOND GEAR 0.087 INCHES BOTH ENDS
HUB NOMINAL DIAMETER 0.245 INCHES BETWEEN FIRST AND SECOND GEAR 0.046 INCHES BOTH ENDS
MANUFACTURERS CODE 97424
DESIGN CONTROL REFERENCE 9850313G702

Restrictions/Controls & Freight Information | NSN 3020-00-978-1868

Category Code Description
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.
Precious Metals Indicator Code:AItem does not contain precious metal
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 SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
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