Secure Ordering: +1 (757) 528-8028

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

Differential Spider

NSN: 2520-00-311-6429 | Model: 25971
ITAR Registered seal

A spider with four radiating arms, designed to form a connection between two shafts, which allows one shaft to rotate while the other is stopped or rotates at a different speed or direction.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled

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 2520-00-311-6429 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • 25971
  • 81613HA
  • N16-03
  • 1076-2037
  • 25971
  • 8Q4211A
  • 81613HA
  • 81613HA
Cage Codes:
  • Eaton Corp Axle Div (CAGE 81142)
  • Navistar Intl Corp Truck Br Ohio (CAGE 89346)
  • Napco International Llc (CAGE 95201)
  • Herwaythorn Sa (CAGE F1978)
  • Eaton Corp Spring Div (CAGE 80900)
  • Ford Motor Co (CAGE 23040)
  • Navistar Intl Corp (CAGE 92679)
  • Navistar Intl Corp (CAGE 31007)
  • 2520-00-311-6429 replaces 2520-00-495-3107
  • 2520-00-311-6429 replaces 2520-00-675-1593
  • 2520-00-311-6429 replaces 2520-00-885-0532
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

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    885 - Vehicles, mhe, road construction, repair parts and components

  • 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.

  • LCL:

    M - 85.0

  • 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 2520-00-311-6429 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
What is the NIIN of NSN 2520-00-311-6429?
003116429 or 00-311-6429
Does NSN 2520-00-311-6429 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-00-311-6429?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963