PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3444Gear,spur

Clark Material Handling Company · NSN 3020-00-423-0800 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-423-0800 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-423-0800. Primary manufacturer part number: 3444.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 1.093 INCHES IN
  • Backlash Designation: GRADE A
  • Teeth Quantity: 38
  • First Groove Nominal Width: 0.347 INCHES FIRST END IN
  • Nominal Distance From End to First Groove: 0.135 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.296 INCHES SECOND END IN
  • Hub Style Designator: 1 GROOVE FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-423-0800, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-423-0800
Primary Part Number3444
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerClark Material Handling Company
StatusCANCELLED
Face Nominal Width1.093 INCHES IN
Backlash DesignationGRADE A
Teeth Quantity38
First Groove Nominal Width0.347 INCHES FIRST END IN
Nominal Distance From End to First Groove0.135 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.296 INCHES SECOND END IN
Hub Style Designator1 GROOVE FIRST END
Spline Quantity6 BOTH ENDS
Hub Nominal Diameter4.125 INCHES SECOND END IN
First Groove Nominal Diameter2.610 INCHES FIRST END IN
Pitch Diameter6.3125 INCHES NOMINAL IN
Nominal Overall Length1.954 INCHES IN
End Nominal Diameter3.750 INCHES FIRST END IN
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUBS
Hardness Rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
Pressure Angle20.0000 DEGREES
Body StyleWEBBED, OFFSET, SOLID
Nominal Outside Diameter6.560 INCHES IN
MaterialSTEEL OVERALL
Hub Style DesignatorPLAIN SECOND END
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Material Document and ClassificationQQ-S-624,FS8620,FS8720,FS4620,FS4817 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-012-0214 INTERCHANGEABLE
Washer,lock
5905-00-264-3832 INTERCHANGEABLE
Resistor,fixed,film
4310-00-363-69863444X INTERCHANGEABLE
Valve,control
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5930-00-406-61432-47314 INTERCHANGEABLE
Switch,thermostatic
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
3120-00-662-48699204-62 INTERCHANGEABLE
Bearing,sleeve
Goodrich Corporation
5940-00-705-6703TG3 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3040-00-723-1968DS-932475 INTERCHANGEABLE
Cam,control
Eaton Aerospace, Llc Dba Jackson South
5342-00-737-1174 INTERCHANGEABLE
Clip,spring
2590-00-847-2807AC0-4032 INTERCHANGEABLE
Cap,filler Opening
Stant Mfg Co Inc
5930-00-865-2015 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
203444 Clark Equipment Co (USA)
WT254-31B Perfection Clutch (USA)
T93-31 Borg-Warner Corp (USA)
AG505B Shatterproof Glass Corp (USA)
666952 Sasco Inc Canadian Div
WT215-31B Perfection Clutch (USA)
232T2 Diamond Reo Truck Co (USA)
3444 PRIMARY Clark Material Handling Company (USA)
320358 White Motor Corp (USA)
WT215-31 Borg-Warner Corp (USA)
203444 Clark Material Handling Company (USA)
2073104 General Motors Llc Dba General Motors Llc (USA)
CEC0-1016 Dana Off Highway Products, Llc (USA)
3444 Clark Equipment Co (USA)
CEC0-1016 Vme Americas Inc Sub of Vme Group N V (USA)
TG3 Marmon Group Inc the Active Gear Co Div (USA)
7994332 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
7EQ7103 Ford Motor Company (USA)
AG505B Automotive Gear Co (USA)
920462 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5310-00-012-0214INTERCHANGEABLE
WASHER,LOCK
5905-00-264-3832INTERCHANGEABLE
RESISTOR,FIXED,FILM
4310-00-363-6986INTERCHANGEABLE
VALVE,CONTROL
3444X
5930-00-406-6143INTERCHANGEABLE
SWITCH,THERMOSTATIC
2-47314
3120-00-662-4869INTERCHANGEABLE
BEARING,SLEEVE
9204-62
5940-00-705-6703INTERCHANGEABLE
TERMINAL,LUG
TG3
3040-00-723-1968INTERCHANGEABLE
CAM,CONTROL
DS-932475
5342-00-737-1174INTERCHANGEABLE
CLIP,SPRING
2590-00-847-2807INTERCHANGEABLE
CAP,FILLER OPENING
AC0-4032
5930-00-865-2015INTERCHANGEABLE
SWITCH,TOGGLE
3415-00-894-1768INTERCHANGEABLE
GRINDING MACHINE,SURFACE,RECIPRO
6625-00-991-5179INTERCHANGEABLE
TEST SET,ELECTRON TUBE
3444

Frequently Asked Questions

What is NSN 3020-00-423-0800?

NSN 3020-00-423-0800 is a Gear,spur, manufactured by Clark Material Handling Company, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-423-0800?

NSN 3020-00-423-0800 has 26 cross-referenced part numbers: 203444 (Clark Equipment Co), WT254-31B (Perfection Clutch), T93-31 (Borg-Warner Corp), AG505B (Shatterproof Glass Corp), 666952 (Sasco Inc Canadian Div) and 21 more.

What NSN replaces 3020-00-423-0800?

There are 12 known substitutes for 3020-00-423-0800: 5310-00-012-0214, 5905-00-264-3832, 4310-00-363-6986 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3444?

Key specifications for 3444: Face Nominal Width: 1.093 INCHES IN; Backlash Designation: GRADE A; Teeth Quantity: 38; First Groove Nominal Width: 0.347 INCHES FIRST END IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-423-0800 still in active supply?

NSN 3020-00-423-0800 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.
PartsTable Design LLC · partstable.com