Product Details | SPUR GEAR

3020-00-385-7768 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: 7188238, 3020-00-385-7768, 00-385-7768, 3020003857768, 003857768

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-385-7768

Drawings & Photos | NSN 3020-00-385-7768


Cross Reference | NSN 3020-00-385-7768

Part Number Cage Code Manufacturer
7188238 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 3020-00-385-7768

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY 60
TOOTH FORM STUB
PRESSURE ANGLE 20.0000 DEGREES
PRECISION CLASSIFICATION QUALITY NUMBER 6
BACKLASH DESIGNATION GRADE C
STYLE DESIGNATOR 18 BELL SHAPE BODY, PROTRUDING HUB
PITCH DIAMETER 10.0000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 10.249 INCHES
FACE NOMINAL WIDTH 2.125 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 4.0625 INCHES SECOND END
BODY RECESS NOMINAL DEPTH 4.062 INCHES FIRST END
BORE STYLE 12 TAPERED W/KEYWAY SECOND END
KEYWAY NOMINAL WIDTH 0.3745 INCHES SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.947 INCHES SECOND END
TAPER MAJOR NOMINAL DIAMETER 1.496 INCHES SECOND END
HUB STYLE DESIGNATOR 1 PLAIN SECOND END
HUB NOMINAL DIAMETER 3.000 INCHES SECOND END
BODY STYLE 4A WEBBED, WITH LIGHTENING HOLES
ATTACHMENT METHOD MOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY 2 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE 0.500 INCHES AXIALLY THROUGH BODY, FIRST END
SPECIAL FEATURES 63 MICROINCH AA FINISH ON TOOTH SURFACES,2 OPPPOSED 0.578 IN. HOLES WITH 0.375-18 NPT THD 0.500 DEEP IN BELL BODY PERPENDICULAR TO KEYWAY OF BORE,FIRST END BELL BODY COUNTERBORE TO 3.756 IN. MIN TO 3.757 IN. MAX DIA BY 1.187 IN. DEEP
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 7188238

Restrictions/Controls & Freight Information | NSN 3020-00-385-7768

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: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 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