PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5863Gear Cluster

Eaton Corp Transmission Div · NSN 3020-00-219-8998 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-219-8998 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-219-8998. Primary manufacturer part number: 5863.
Features
  • Gear Cluster — FSC 3020
  • Design Type: SPUR FIRST GEAR
  • Spline Quantity: 10 SECOND END
  • Design Type: SPUR SECOND GEAR
  • Nominal Overall Length: 2.813 INCHES IN
  • Material: STEEL COMP 4320 OVERALL
  • Hub Nominal Length: 0.434 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Bore Nominal Diameter: 2.563 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4320 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-219-8998, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Corp Transmission Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-219-8998
Primary Part Number5863
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Corp Transmission Div
StatusACTIVE
Design TypeSPUR FIRST GEAR
Spline Quantity10 SECOND END
Design TypeSPUR SECOND GEAR
Nominal Overall Length2.813 INCHES IN
MaterialSTEEL COMP 4320 OVERALL
Hub Nominal Length0.434 INCHES BETWEEN FIRST AND SECOND GEAR IN
Bore Nominal Diameter2.563 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN SECOND END
Hub Nominal Diameter3.607 INCHES BETWEEN FIRST AND SECOND GEAR IN
Counterbore Nominal Depth0.187 INCHES BOTH ENDS IN
Counterbore Nominal Diameter3.3125 INCHES SECOND END IN
Material Document and Classification66,AISI/SAE 4320 FED STD SINGLE MATERIAL RESPONSE OVERALL
Bore StyleSTRAIGHT SPLINE BOTH ENDS
ConstructionSOLID
Hub Style DesignatorPLAIN FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-240-8704 INTERCHANGEABLE
Extension,socket Wrench
5960-00-261-8671 INTERCHANGEABLE
Electron Tube
5950-00-465-78462678862 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2520-00-708-6621 INTERCHANGEABLE
Gear
5950-00-949-74011802910 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation
5305-01-101-24365863 INTERCHANGEABLE
Screw
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6145-01-157-09338621 INTERCHANGEABLE
Cable,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5975-01-290-1617 INTERCHANGEABLE
Elbow,electrical Conduit
6520-01-354-87125863 INTERCHANGEABLE
Post,endodontic
Dentalez, Inc. Dba Star Dental
Cross-Reference Index
Part NumberManufacturer
117247H Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
5863 PRIMARY Eaton Corp Transmission Div (USA)
Related Parts
5120-00-240-8704INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5960-00-261-8671INTERCHANGEABLE
ELECTRON TUBE
5950-00-465-7846INTERCHANGEABLE
TRANSFORMER,POWER
2678862
2520-00-708-6621INTERCHANGEABLE
GEAR
5950-00-949-7401INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1802910
5305-01-101-2436INTERCHANGEABLE
SCREW
5863
6145-01-157-0933INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8621
5975-01-290-1617INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
6520-01-354-8712INTERCHANGEABLE
POST,ENDODONTIC
5863

Frequently Asked Questions

What is NSN 3020-00-219-8998?

NSN 3020-00-219-8998 is a Gear Cluster, manufactured by Eaton Corp Transmission Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-219-8998?

NSN 3020-00-219-8998 has 2 cross-referenced part numbers: 117247H (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 5863 (Eaton Corp Transmission Div).

What NSN replaces 3020-00-219-8998?

There are 9 known substitutes for 3020-00-219-8998: 5120-00-240-8704, 5960-00-261-8671, 5950-00-465-7846 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5863?

Key specifications for 5863: Design Type: SPUR FIRST GEAR; Spline Quantity: 10 SECOND END; Design Type: SPUR SECOND GEAR; Nominal Overall Length: 2.813 INCHES IN. 15 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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