Secure Ordering: +1 (757) 528-8028

Worldwide distributor of NSN parts and consumables located in the USA.

Automotive Axle Shaft

NSN: 2520-00-355-2408 | Model: 303657
ITAR Registered seal

A shaft which is a component of axle assembly, automotive, driving, used to transmit rotary motion from the differential assembly either directly or indirectly to the wheel hubs. Excludes shafts with a universal joint or a component of a universal joint attached to it.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Overall Length
21.812 inches
First End Thread Direction
Metallic Hardness Rating
270.0 brine ll standard and 320.0 brine ll standard
First End Taper
1.500 inches per foot
First End Taper Major Diameter
Between 0.363 inches and 0.364 inches
First End Keyway Width
Between 0.749 inches and 0.750 inches
First End Keyway Depth
Between 0.421 inches and 0.426 inches
First End Bearing Seat Diameter
Between 0.363 inches and 0.365 inches
First End Distance From Bearing Seat To End
9.375 inches
Second End Keyway Width
Between 0.749 inches and 0.750 inches
Second End Keyway Depth
0.562 inches
Second End Bearing Seat Diameter
4.250 inches
Second End Distance From Bearing Seat To End
Between 6.752 inches and 6.758 inches
First End Type
Second End Type
First End Thread Size
First End Thread Series
Second End Facility Diameter
Between 3.753 inches and 3.754 inches
First End Bearing Seat
First End Bearing Seat Width
3.125 inches
Second End Engaging/locking/positioning Facility
Second End Facility Width
Between 2.997 inches and 3.000 inches
Second End Facility Location
3.750 in. From shaft end
Second End Bearing Seat
Second End Bearing Seat Width
Between 2.557 inches and 2.567 inches
First End Pin Hole Diameter
0.406 inches
Special Features
Second end 3.501 in. Min, 3.502 in. Max dia, 3.625 in. Lg, ground, groove 0.125 in. W, 3.348 in. Diameter between second end and shoulder and groove 0.125 in. W, 3.688 in. Diameter between shoulder and bearing surface
Steel, aisi 4140
Steel comp 4140
Material Specification
Aisi 4140 assn standard single material response

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping

NSN 2520-00-355-2408 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • 303657
Cage Codes:
  • Scott Huber Essick (CAGE 99832)
Schedule B & Trade:
  • Schedule B: 8483909500 (NAICS 333613)

    Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

  • SITC: 74890

    Parts, n.E.S., for transmission shafts and cranks, bearing housings, gears, gearing, ball screws, gear boxes, flywheels and pulleys, clutches, etc.

  • End Use: 21180

    Industrial machines, other


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    131780 - Tractor axles

  • WCC:

    586 - Vehicle parts, other than automobile

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 2520-00-355-2408 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, and Greece
What is the NIIN of NSN 2520-00-355-2408?
003552408 or 00-355-2408
Does NSN 2520-00-355-2408 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-00-355-2408?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963