PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128521Disk,clutch,vehicular

Eaton Corp Clutch Div · NSN 2520-01-392-0411 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-392-0411 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-392-0411. Primary manufacturer part number: 128521.
Features
  • Disk,clutch,vehicular — FSC 2520
  • Disk Type: PLAIN
  • Flexibility: RIGID
  • Design Type: DRY
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corp Clutch Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk,clutch,vehicular, cataloged under National Stock Number 2520-01-392-0411, 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 Clutch Div. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-392-0411
Primary Part Number128521
Item NameDisk,clutch,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corp Clutch Div
StatusACTIVE
Disk TypePLAIN
FlexibilityRIGID
Design TypeDRY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5940-00-269-2219257103 INTERCHANGEABLE
Post,binding,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5826-00-671-0404544-0250-002 INTERCHANGEABLE
Shell
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
5910-00-952-8922 INTERCHANGEABLE
Capacitor,variable,mica Dielectr
5999-01-057-1598128521-1 INTERCHANGEABLE
Extender,service,assembly
Continental Electronics Corp
5120-01-256-2552128521 INTERCHANGEABLE
Jack,leveling-Support
Scientific Atlanta Inc
6350-01-596-8338128229 INTERCHANGEABLE
Brake Alarm
Crown Equipment Corp Dba Crown Lift Trucks Div Government Sales Department
Cross-Reference Index
Part NumberManufacturer
128229 Eaton Corp Clutch Div (USA)
128521 PRIMARY Eaton Corp Clutch Div (USA)
128229 Dana Limited (USA)
Related Parts
5940-00-269-2219INTERCHANGEABLE
POST,BINDING,ELECTRICAL
257103
5826-00-671-0404INTERCHANGEABLE
SHELL
544-0250-002
5910-00-952-8922INTERCHANGEABLE
CAPACITOR,VARIABLE,MICA DIELECTR
5999-01-057-1598INTERCHANGEABLE
EXTENDER,SERVICE,ASSEMBLY
128521-1
5120-01-256-2552INTERCHANGEABLE
JACK,LEVELING-SUPPORT
128521
6350-01-596-8338INTERCHANGEABLE
BRAKE ALARM
128229

Frequently Asked Questions

What is NSN 2520-01-392-0411?

NSN 2520-01-392-0411 is a Disk,clutch,vehicular, manufactured by Eaton Corp Clutch Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-392-0411?

NSN 2520-01-392-0411 has 3 cross-referenced part numbers: 128229 (Eaton Corp Clutch Div), 128521 (Eaton Corp Clutch Div), 128229 (Dana Limited).

What NSN replaces 2520-01-392-0411?

There are 6 known substitutes for 2520-01-392-0411: 5940-00-269-2219, 5826-00-671-0404, 5910-00-952-8922 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 128521?

Key specifications for 128521: Disk Type: PLAIN; Flexibility: RIGID; Design Type: DRY. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com