PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

056980Shaft,axle,automotive

Eaton Corporation · NSN 2520-00-062-3953 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-062-3953 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-062-3953. Primary manufacturer part number: 056980.
Features
  • Shaft,axle,automotive — FSC 2520
  • Taper Major Diameter: 0.783 INCHES NOMINAL IN
  • Second End Bearing Seat: NOT INCLUDED
  • First End Type: FLANGED
  • Flange Thickness at Mounting Hole: 0.406 INCHES NOMINAL IN
  • Material: STEEL COMP 4150H
  • Material Document and Classification: AISI 4150H ASSN STD SINGLE MATERIAL RESPONSE
  • Second End Spline Major Diameter: 1.975 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 4150h construction
General Description

The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-062-3953, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-062-3953
Primary Part Number056980
Item NameShaft,axle,automotive
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Taper Major Diameter0.783 INCHES NOMINAL IN
Second End Bearing SeatNOT INCLUDED
First End TypeFLANGED
Flange Thickness at Mounting Hole0.406 INCHES NOMINAL IN
MaterialSTEEL COMP 4150H
Material Document and ClassificationAISI 4150H ASSN STD SINGLE MATERIAL RESPONSE
Second End Spline Major Diameter1.975 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN
Second End Spline Quantity16
Metallic Hardness Rating38.0 MINIMUM ROCKWELL C AND 48.0 MAXIMUM ROCKWELL C
Second End Spline Minor Diameter1.830 INCHES MINIMUM AND 1.840 INCHES MAXIMUM IN
Second End Spline Length3.719 INCHES MINIMUM AND 3.781 INCHES MAXIMUM IN
Flange Hole Taper8.500 INCHES NOMINAL PER FOOT IN
Second End Spline TypeSTRAIGHT
First End Bearing SeatNOT INCLUDED
Flange Outside Diameter6.123 INCHES MINIMUM AND 6.127 INCHES MAXIMUM IN
Second End TypeSPLINED
Mounting Facility Type and Quantity12 TAPERED HOLE
Flange Overall Thickness0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-227-328356980 INTERCHANGEABLE
Nut,plain,hexagon
Parker Hannifin Corporation Div Hydraulic Systems Division
8940-01-582-412156980 INTERCHANGEABLE
Formula,infant Feeding
Abbott Laboratories, Inc. Dba Ross Products Division Div Ross Products
Cross-Reference Index
Part NumberManufacturer
33030-5008 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
C3TZ4234N Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
56980 Eaton Corp Axle Div (USA)
33030-5008 White Motor Corp (USA)
2505838 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
056980 PRIMARY Eaton Corporation (USA)
C3TZ423N Ford Motor Company (USA)
Related Parts
5310-01-227-3283INTERCHANGEABLE
NUT,PLAIN,HEXAGON
56980
8940-01-582-4121INTERCHANGEABLE
FORMULA,INFANT FEEDING
56980

Frequently Asked Questions

What is NSN 2520-00-062-3953?

NSN 2520-00-062-3953 is a Shaft,axle,automotive, manufactured by Eaton Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-062-3953?

NSN 2520-00-062-3953 has 7 cross-referenced part numbers: 33030-5008 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), C3TZ4234N (Ford Motor Co Ford Parts and Service Div Government Part Sales), 56980 (Eaton Corp Axle Div), 33030-5008 (White Motor Corp), 2505838 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 2 more.

What NSN replaces 2520-00-062-3953?

There are 2 known substitutes for 2520-00-062-3953: 5310-01-227-3283, 8940-01-582-4121. Verify interchangeability with system specifications before substitution.

What are the specifications of 056980?

Key specifications for 056980: Taper Major Diameter: 0.783 INCHES NOMINAL IN; Second End Bearing Seat: NOT INCLUDED; First End Type: FLANGED; Flange Thickness at Mounting Hole: 0.406 INCHES NOMINAL IN. 19 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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