PartsTable TECHNICAL DATA SHEET
NSN 2520-01-478-6604Government record, cited

Piston, Clutch Shaft Assembly2520-01-478-6604

NSN 2520-01-478-6604 · NIIN 014786604 · Part number 24204957
General Motors Llc Dba General Motors Llc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 7X677
Government record, cited
NSN 2520-01-478-6604 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-478-6604. Manufacturer of record part number: 24204957.
Also searched as  2520-01-478-6604 · 2520014786604 · NIIN 014786604 · 01-478-6604 · FSC 2520 Vehicular Power Transmission Components · CAGE 7X677 · 24204957 · 2520PL0742103 · 5714930 · 5714958
Nearby stock numbers  ·
Features
  • Piston,clutch Shaft Assembly — FSC 2520
  • 2 manufacturer part numbers on file
  • Manufacturer of record: General Motors Llc Dba General Motors Llc
Identification
  • NSN: 2520-01-478-6604
  • NIIN: 014786604
  • FSC: 2520 — Vehicular Power Transmission Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 24204957
  • Manufacturer: General Motors Llc Dba General Motors Llc
General Description

The Piston,clutch Shaft Assembly, cataloged under National Stock Number 2520-01-478-6604, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is General Motors Llc Dba General Motors Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-478-6604
Primary Part Number24204957
Item NamePiston,clutch Shaft Assembly
FSC / FSG2520 / 25 — Vehicular Power Transmission Components
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
24204957 PRIMARY General Motors Llc Dba General Motors Llc (USA)
5714958 Am General Llc (USA)
Reference documents
ReferenceMeaning
2520PL0742103 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
5714930 5/9 Secondary reference
General Motors Llc Dba General Motors Llc
No interchangeability data on file.
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937
CLUTCH PACKAGE
2520-00-006-6257
2520-00-006-6257 · Item name not on file
2520-00-008-9977
SPIDER,UNIVERSAL JOINT,VEHICULAR
2520-00-039-6567
SOCKET
2520-00-242-3316
CLUTCH ASSEMBLY,HUB
2520-00-358-3905
COVER
2520-00-366-7191
COLLAR,SHAFT LINKAGE
2520-00-708-6603
COVER CONTROL LEVER

Frequently Asked Questions

What is NSN 2520-01-478-6604?

NSN 2520-01-478-6604 is a Piston,clutch Shaft Assembly, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-478-6604?

NSN 2520-01-478-6604 has 2 manufacturer part numbers on file: 24204957 (General Motors Llc Dba General Motors Llc), 5714958 (Am General Llc).

What are the specifications of 24204957?

Key specifications for 24204957: End Item Identification: HIGH MOBILITY MULTI-PURPOSE WHEELED VEHICLE (HMMWV). 0 specifications are documented in the U.S. Government catalog.

Is NSN 2520-01-478-6604 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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