Product Details | SPUR GEAR

3020-00-550-7143 A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.

Part Alternates: 5507143, 3020-00-550-7143, 00-550-7143, 3020005507143, 005507143

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-550-7143

Drawings & Photos | NSN 3020-00-550-7143


Cross Reference | NSN 3020-00-550-7143

Part Number Cage Code Manufacturer
5507143 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 3020-00-550-7143

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-11415 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 56
TOOTH FORM STUB
PRESSURE ANGLE 20.0000 DEGREES
BACKLASH DESIGNATION GRADE E
STYLE DESIGNATOR 9 ONE PROTRUDING HUB, ONE RECESSED HUB
PITCH DIAMETER 14.0000 INCHES NOMINAL
NOMINAL OVERALL LENGTH 2.995 INCHES
NOMINAL OUTSIDE DIAMETER 14.397 INCHES
FACE NOMINAL WIDTH 2.090 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.505 INCHES FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END 0.500 INCHES SECOND END
BORE STYLE 10C W/3 KEYWAYS BOTH ENDS
BORE NOMINAL DIAMETER 3.812 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.748 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 2.226 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 5.375 INCHES FIRST END 5.375 INCHES SECOND END
BODY STYLE 3A WEBBED, SOLID
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 8 THREADED AXIALLY THROUGH BODY, FIRST END 2 THREADED AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNF AXIALLY THROUGH BODY, FIRST END UNF AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE NOMINAL THREAD SIZE 0.190 INCHES AXIALLY THROUGH BODY, FIRST END 0.190 INCHES AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE THREAD QUANTITY PER INCH 32 AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER 12.875 INCHES AXIALLY THROUGH BODY, FIRST END 7.000 INCHES AXIALLY THROUGH BODY, SECOND END
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 5507143

Restrictions/Controls & Freight Information | NSN 3020-00-550-7143

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 121870 GEAR/SPEED INCREASING/REDUCING MACH
Less than car load rating Q 70
Less than truck load rating P 77.5
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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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