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NSN 2520-01-082-7390Government record, cited

Disk, Clutch, Vehicular2520-01-082-7390

NSN 2520-01-082-7390 · NIIN 010827390 · Part number 6Y7951
Caterpillar Inc Div Caterpillar Defense · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 11083
Government record, cited
NSN 2520-01-082-7390 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-082-7390. Manufacturer of record part number: 6Y7951.
Also searched as  2520-01-082-7390 · 2520010827390 · NIIN 010827390 · 01-082-7390 · FSC 2520 Vehicular Power Transmission Components · CAGE 11083 · 6Y7951 · 9N1655 · 308732
Nearby stock numbers  ·
Features
  • Disk,clutch,vehicular — FSC 2520
  • Design Type: WET
  • Teeth Quantity Per Disk: 128
  • Outside Diameter: 9.352 INCHES NOMINAL IN
  • Flexibility: RIGID
  • Disk Type: INTERNAL TEETH
  • Features Provided: MATERIAL FACING GROOVE
  • Construction: SOLID
Identification
  • NSN: 2520-01-082-7390
  • NIIN: 010827390
  • FSC: 2520 — Vehicular Power Transmission Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 6Y7951
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Disk,clutch,vehicular, cataloged under National Stock Number 2520-01-082-7390, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-082-7390
Primary Part Number6Y7951
Item NameDisk,clutch,vehicular
FSC / FSG2520 / 25 — Vehicular Power Transmission Components
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Design TypeWET
Teeth Quantity Per Disk128
Outside Diameter9.352 INCHES NOMINAL IN
FlexibilityRIGID
Disk TypeINTERNAL TEETH
Features ProvidedMATERIAL FACING GROOVE
ConstructionSOLID
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
6Y7951 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
308732 Alto Products Corp. Al (USA)
Reference documents
ReferenceMeaning
9N1655 5/9 Secondary reference
Caterpillar Inc Div Caterpillar Defense
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.
2520-00-000-3976
2520-00-000-3976 · Item name not on file
2520-00-000-8852
2520-00-000-8852 · Item name not on file
2520-00-000-9292
2520-00-000-9292 · Item name not on file
2520-00-001-0011
2520-00-001-0011 · Item name not on file
2520-00-001-3397
2520-00-001-3397 · Item name not on file
2520-00-001-3425
2520-00-001-3425 · Item name not on file
2520-00-001-3440
ROLLER,CENTER
2520-00-001-3441
2520-00-001-3441 · Item name not on file

Frequently Asked Questions

What is NSN 2520-01-082-7390?

NSN 2520-01-082-7390 is a Disk,clutch,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-082-7390?

NSN 2520-01-082-7390 has 2 manufacturer part numbers on file: 6Y7951 (Caterpillar Inc Div Caterpillar Defense), 308732 (Alto Products Corp. Al).

What are the specifications of 6Y7951?

Key specifications for 6Y7951: Design Type: WET; Teeth Quantity Per Disk: 128; Outside Diameter: 9.352 INCHES NOMINAL IN; Flexibility: RIGID. 7 specifications are documented in the U.S. Government catalog.

Is NSN 2520-01-082-7390 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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