PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202684Gear,helical

Clark Material Handling Company · NSN 3020-00-385-4756 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-385-4756 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-385-4756. Primary manufacturer part number: 202684.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, OFFSET, SOLID
  • Face Nominal Width: 1.313 INCHES IN
  • Hub Style Designator: PLAIN BOTH ENDS
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Pitch Diameter: 4.0400 INCHES NOMINAL IN
  • Tooth Direction: RIGHT
  • Nominal Overall Length: 1.702 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-385-4756, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Clark Material Handling Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-385-4756
Primary Part Number202684
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerClark Material Handling Company
StatusCANCELLED
Body StyleWEBBED, OFFSET, SOLID
Face Nominal Width1.313 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Bore StyleW/ KEYWAY BOTH ENDS
Pitch Diameter4.0400 INCHES NOMINAL IN
Tooth DirectionRIGHT
Nominal Overall Length1.702 INCHES IN
Teeth TypeSINGLE HELIX
Tooth FormSTANDARD
Nominal Distance From Bore Center to Keyway Bottom1.028 INCHES BOTH ENDS IN
Hardness Rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
Helix Angle23.2158 DEGREES
Keyway Nominal Width0.314 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Hub Nominal Diameter2.375 INCHES SECOND END IN
Teeth Quantity28
Hub Nominal Diameter2.375 INCHES FIRST END IN
Bore Nominal Diameter1.750 INCHES BOTH ENDS IN
Pressure Angle18.4894 DEGREES
Style DesignatorPROTRUDING HUBS
Nominal Distance Between Body Face and Protruding Hub End0.327 INCHES FIRST END IN
Nominal Outside Diameter4.260 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5905-00-104-8357 INTERCHANGEABLE
Resistor,fixed,composition
5920-00-431-32832110-0281 INTERCHANGEABLE
Fuseholder,extractor Post
Keysight Technologies Inc
5985-00-471-1612656599-2 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Raytheon Company Dba Raytheon
1660-00-783-1136202684 INTERCHANGEABLE
Housing,turbine Cooling
Honeywell International Inc. Div Aerospace - Torrance
5998-01-023-7549 INTERCHANGEABLE
Circuit Card Assembly
4310-01-039-1572 INTERCHANGEABLE
Modification Kit,pumps and Compr
2940-01-064-391642684 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5945-01-067-122825864-60 INTERCHANGEABLE
Relay,electromagnetic
Deltrol Corp Deltrol Controls Div
5310-01-114-1233 INTERCHANGEABLE
Washer,shouldered
6530-01-169-59262684 INTERCHANGEABLE
Tray,sterilization,arthroscopic
Dyonics Inc Sub of William H Rorer Inc
Cross-Reference Index
Part NumberManufacturer
CE202684 Clark Material Handling Company (USA)
V4476X White Motor Corp (USA)
07-202684 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
C67470 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
202684 Clark Equipment Co (USA)
2684 Clark Equipment Co (USA)
202684 PRIMARY Clark Material Handling Company (USA)
07-202684 Tvh Parts Co. (USA)
CE202684 Clark Equipment Co (USA)
2684 PRIMARY Clark Material Handling Company (USA)
202684 Long-Airdox Co (USA)
Related Parts
5905-00-104-8357INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5920-00-431-3283INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
2110-0281
5985-00-471-1612INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
656599-2
1660-00-783-1136INTERCHANGEABLE
HOUSING,TURBINE COOLING
202684
5998-01-023-7549INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4310-01-039-1572INTERCHANGEABLE
MODIFICATION KIT,PUMPS AND COMPR
2940-01-064-3916INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42684
5945-01-067-1228INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
25864-60
5310-01-114-1233INTERCHANGEABLE
WASHER,SHOULDERED
6530-01-169-5926INTERCHANGEABLE
TRAY,STERILIZATION,ARTHROSCOPIC
2684
5920-01-478-6477INTERCHANGEABLE
FUSE,CARTRIDGE
0FLM010.T

Frequently Asked Questions

What is NSN 3020-00-385-4756?

NSN 3020-00-385-4756 is a Gear,helical, manufactured by Clark Material Handling Company, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-385-4756?

NSN 3020-00-385-4756 has 11 cross-referenced part numbers: CE202684 (Clark Material Handling Company), V4476X (White Motor Corp), 07-202684 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), C67470 (U S Army Tank Automotive Command Amsta-Im-Mm), 202684 (Clark Equipment Co) and 6 more.

What NSN replaces 3020-00-385-4756?

There are 11 known substitutes for 3020-00-385-4756: 5905-00-104-8357, 5920-00-431-3283, 5985-00-471-1612 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202684?

Key specifications for 202684: Body Style: WEBBED, OFFSET, SOLID; Face Nominal Width: 1.313 INCHES IN; Hub Style Designator: PLAIN BOTH ENDS; Bore Style: W/ KEYWAY BOTH ENDS. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-385-4756 still in active supply?

NSN 3020-00-385-4756 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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