PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

144EX558Disk,clutch,vehicular

Oshkosh Defense Llc · NSN 2520-01-155-3630 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-155-3630 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-155-3630. Primary manufacturer part number: 144EX558.
Features
  • Disk,clutch,vehicular — FSC 2520
  • 5 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk,clutch,vehicular, cataloged under National Stock Number 2520-01-155-3630, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,clutch,vehicular
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersOshkosh Corp (CAGE 45152); Alto Products Corp. Al (CAGE 1HQE5); Oshkosh Defense Llc (CAGE 75Q65); Dana Commercial Vehicle Products, Llc (CAGE 52304)
Technical Specifications
ParameterValue
NSN2520-01-155-3630
Primary Part Number144EX558
Item NameDisk,clutch,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2810-00-119-004482445 INTERCHANGEABLE
Cylinder
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5325-00-550-5937 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
144FX558 Oshkosh Corp (USA)
178726-173 Alto Products Corp. Al (USA)
144EX558 PRIMARY Oshkosh Defense Llc (USA)
144EX558 Oshkosh Corp (USA)
82445 Dana Commercial Vehicle Products, Llc (USA)
Related Parts
2810-00-119-0044INTERCHANGEABLE
CYLINDER
82445
5325-00-550-5937INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 2520-01-155-3630?

NSN 2520-01-155-3630 is a Disk,clutch,vehicular, manufactured by Oshkosh Defense Llc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-155-3630?

NSN 2520-01-155-3630 has 5 cross-referenced part numbers: 144FX558 (Oshkosh Corp), 178726-173 (Alto Products Corp. Al), 144EX558 (Oshkosh Defense Llc), 144EX558 (Oshkosh Corp), 82445 (Dana Commercial Vehicle Products, Llc).

What NSN replaces 2520-01-155-3630?

There are 2 known substitutes for 2520-01-155-3630: 2810-00-119-0044, 5325-00-550-5937. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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