Product Details | HELICAL GEAR

3020-00-507-3251 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: 42423, 424231, 42423-1, 3020-00-507-3251, 00-507-3251, 3020005073251, 005073251

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-507-3251

Drawings & Photos | NSN 3020-00-507-3251


Cross Reference | NSN 3020-00-507-3251

Part Number Cage Code Manufacturer
42423 15434 CUMMINS INC.
42423-1 15434 CUMMINS INC.

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Technical Data | NSN 3020-00-507-3251

Characteristic Specifications
MATERIAL STEEL COMP 4340H OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4340H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY 36
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION LEFT
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 22.6198 DEGREES
STYLE DESIGNATOR 5 ONE PROTRUDING HUB, ONE FLUSH HUB
PITCH DIAMETER 4.8750 INCHES NOMINAL
NOMINAL OVERALL LENGTH 1.396 INCHES
NOMINAL OUTSIDE DIAMETER 5.132 INCHES
FACE NOMINAL WIDTH 1.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.146 INCHES FIRST END
BORE STYLE 10A W/KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER 1.378 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH 0.312 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM 0.831 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN BOTH ENDS
HUB NOMINAL DIAMETER 2.125 INCHES FIRST END 2.125 INCHES SECOND END
BODY STYLE 3B WEBBED, OFFSET, SOLID
SPECIAL FEATURES TWO PULLER HOLES 1/2-20 UNF 2B THD IN BODY OF GEAR
MANUFACTURERS CODE 15434
DESIGN CONTROL REFERENCE 42423-1

Restrictions/Controls & Freight Information | NSN 3020-00-507-3251

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 S 60
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