PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

59502Shaft,axle,automotive

Eaton Corp Axle Div · NSN 2520-00-135-2309 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-135-2309 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-135-2309. Primary manufacturer part number: 59502.
Features
  • Shaft,axle,automotive — FSC 2520
  • Flange Overall Thickness: 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
  • First End Type: FLANGED
  • Flange Hole Taper: 6.000 INCHES NOMINAL PER FOOT IN
  • Flange Outside Diameter: 6.185 INCHES MINIMUM AND 6.189 INCHES MAXIMUM IN
  • Second End Spline Quantity: 16
  • Flange Thickness at Mounting Hole: 0.500 INCHES NOMINAL IN
  • Second End Spline Type: STRAIGHT
Applications
  • Applications requiring Steel construction
General Description

The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-135-2309, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corp Axle Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-135-2309
Primary Part Number59502
Item NameShaft,axle,automotive
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corp Axle Div
StatusCANCELLED
Flange Overall Thickness1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
First End TypeFLANGED
Flange Hole Taper6.000 INCHES NOMINAL PER FOOT IN
Flange Outside Diameter6.185 INCHES MINIMUM AND 6.189 INCHES MAXIMUM IN
Second End Spline Quantity16
Flange Thickness at Mounting Hole0.500 INCHES NOMINAL IN
Second End Spline TypeSTRAIGHT
Second End Spline Minor Diameter1.690 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN
Mounting Facility Type and Quantity8 TAPERED HOLE
Second End Bearing SeatNOT INCLUDED
First End Bearing SeatNOT INCLUDED
Second End Spline Major Diameter1.870 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
Second End Spline Length3.375 INCHES NOMINAL IN
Second End TypeSPLINED
MaterialSTEEL
Material Document and ClassificationAISI 1041H ASSN STD SINGLE MATERIAL RESPONSE
Taper Major Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5365-00-826-789259502-00 INTERCHANGEABLE
Spacer,ring
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5950-00-954-2277A100T18 INTERCHANGEABLE
Transformer,power
Virginia Electronics Co Inc
6550-01-358-5386 INTERCHANGEABLE
Blood Collecting-Culture Bottle
Cross-Reference Index
Part NumberManufacturer
59502 Eaton Corp Axle Div (USA)
2448315 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
2457690AND3745182 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
2457690AND3745182 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5365-00-826-7892INTERCHANGEABLE
SPACER,RING
59502-00
5950-00-954-2277INTERCHANGEABLE
TRANSFORMER,POWER
A100T18
6550-01-358-5386INTERCHANGEABLE
BLOOD COLLECTING-CULTURE BOTTLE

Frequently Asked Questions

What is NSN 2520-00-135-2309?

NSN 2520-00-135-2309 is a Shaft,axle,automotive, manufactured by Eaton Corp Axle Div, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-135-2309?

NSN 2520-00-135-2309 has 4 cross-referenced part numbers: 59502 (Eaton Corp Axle Div), 2448315 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2457690AND3745182 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2457690AND3745182 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2520-00-135-2309?

There are 3 known substitutes for 2520-00-135-2309: 5365-00-826-7892, 5950-00-954-2277, 6550-01-358-5386. Verify interchangeability with system specifications before substitution.

What are the specifications of 59502?

Key specifications for 59502: Flange Overall Thickness: 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN; First End Type: FLANGED; Flange Hole Taper: 6.000 INCHES NOMINAL PER FOOT IN; Flange Outside Diameter: 6.185 INCHES MINIMUM AND 6.189 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-135-2309 still in active supply?

NSN 2520-00-135-2309 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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