PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R14108Gear,spur

Komatsu America Corporation · NSN 3020-00-458-2650 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-458-2650 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-458-2650. Primary manufacturer part number: R14108.
Features
  • Gear,spur — FSC 3020
  • Flange Nominal Diameter: 4.327 INCHES IN
  • Spline Quantity: 6 BOTH ENDS
  • Material Document and Classification: FED STD 66,5135H FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Face Nominal Width: 0.625 INCHES IN
  • Bore Style: STRAIGHT SPLINE BOTH ENDS
  • Style Designator: FLANGED END
  • Tooth Form: STANDARD
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 3020-00-458-2650, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-458-2650
Primary Part NumberR14108
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Flange Nominal Diameter4.327 INCHES IN
Spline Quantity6 BOTH ENDS
Material Document and ClassificationFED STD 66,5135H FED STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.625 INCHES IN
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Style DesignatorFLANGED END
Tooth FormSTANDARD
Nominal Distance Between Outer Body Face and Inner Flange Face1.125 INCHES IN
Nominal Outside Diameter4.327 INCHES IN
Pitch Diameter4.0000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Pressure Angle14.5000 DEGREES
Flange Nominal Thickness0.500 INCHES IN
Teeth Quantity16
Bore Nominal Diameter2.450 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-485-788014108 INTERCHANGEABLE
Ball Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-00-648-6558 INTERCHANGEABLE
Saturable Reactor
5210-00-782-3520 INTERCHANGEABLE
Tape,measuring
5950-00-823-4779579R133H01 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5940-00-848-88431410-8 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5985-00-949-33152542933 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5980-00-980-153177C709246PT6 INTERCHANGEABLE
Indicator
Lockheed Martin Corporation Div Rms
5975-01-365-9551 INTERCHANGEABLE
Conduit,nonmetallic,rigid
7045-01-462-694214108 INTERCHANGEABLE
Disk,chart Set
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4720-01-731-044814215 INTERCHANGEABLE
Hose,nonmetallic
Cepeda Associates, Inc. Dba Cepeda Associates Inc
Cross-Reference Index
Part NumberManufacturer
R14108 Komatsu America Corporation (USA)
14108 Komatsu America Corporation (USA)
Related Parts
4820-00-485-7880INTERCHANGEABLE
BALL ASSEMBLY
14108
5950-00-648-6558INTERCHANGEABLE
SATURABLE REACTOR
5210-00-782-3520INTERCHANGEABLE
TAPE,MEASURING
5950-00-823-4779INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
579R133H01
5940-00-848-8843INTERCHANGEABLE
TERMINAL,LUG
1410-8
5985-00-949-3315INTERCHANGEABLE
COUPLER,DIRECTIONAL
2542933
5980-00-980-1531INTERCHANGEABLE
INDICATOR
77C709246PT6
5975-01-365-9551INTERCHANGEABLE
CONDUIT,NONMETALLIC,RIGID
7045-01-462-6942INTERCHANGEABLE
DISK,CHART SET
14108
4720-01-731-0448INTERCHANGEABLE
HOSE,NONMETALLIC
14215
4720-01-731-0452INTERCHANGEABLE
HOSE,NONMETALLIC
14212

Frequently Asked Questions

What is NSN 3020-00-458-2650?

NSN 3020-00-458-2650 is a Gear,spur, manufactured by Komatsu America Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-458-2650?

NSN 3020-00-458-2650 has 2 cross-referenced part numbers: R14108 (Komatsu America Corporation), 14108 (Komatsu America Corporation).

What NSN replaces 3020-00-458-2650?

There are 11 known substitutes for 3020-00-458-2650: 4820-00-485-7880, 5950-00-648-6558, 5210-00-782-3520 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R14108?

Key specifications for R14108: Flange Nominal Diameter: 4.327 INCHES IN; Spline Quantity: 6 BOTH ENDS; Material Document and Classification: FED STD 66,5135H FED STD SINGLE MATERIAL RESPONSE OVERALL; Face Nominal Width: 0.625 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.

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