Product Details | HELICAL GEAR

3020-00-389-6242 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: GD113, 7974406, 3020-00-389-6242, 00-389-6242, 3020003896242, 003896242

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-389-6242

Drawings & Photos | NSN 3020-00-389-6242


Cross Reference | NSN 3020-00-389-6242

Part Number Cage Code Manufacturer
7974406 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
GD113 66289 WISCONSIN MOTORS LLC

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Technical Data | NSN 3020-00-389-6242

Characteristic Specifications
MATERIAL STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE AND AISI C1113 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY 27
TEETH TYPE SINGLE HELIX
TOOTH FORM STANDARD
TOOTH DIRECTION RIGHT
PRESSURE ANGLE 14.5000 DEGREES
HELIX ANGLE 21.4000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 2.4140 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 2.578 INCHES
FACE NOMINAL WIDTH 0.375 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.176 INCHES FIRST END
BORE STYLE 14 W/COUNTERBORE COUNTER BORE, SECOND END
BORE NOMINAL DIAMETER 0.625 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DEPTH 0.052 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DIAMETER 1.250 INCHES COUNTER BORE, SECOND END
HUB STYLE DESIGNATOR 4A 1 STEP FIRST END
END NOMINAL LENGTH 0.031 INCHES FIRST END
END NOMINAL DIAMETER 1.000 INCHES FIRST END
FIRST STEP NOMINAL LENGTH 0.145 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER 1.813 INCHES FIRST END
BODY STYLE 1 PLAIN, SOLID
SPECIAL FEATURES FIG X MARKING ON FACE OF GEAR TOOTH 24 DEG 50 MIN CWC FROM CENTERLINE OF GROOVE,ONE GROOVE 0.250 IN. MIN,0.253 IN. MAX W 1ST END ON BODY OF GEAR
MANUFACTURERS CODE 66289
DESIGN CONTROL REFERENCE GD113

Restrictions/Controls & Freight Information | NSN 3020-00-389-6242

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
No Freight Information

Management | NSN 3020-00-389-6242

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each