PartsTable TECHNICAL DATA SHEET

NSN 2520-01-331-2643Government record, cited

Disk, Clutch, Vehicular2520-01-331-2643

NSN 2520-01-331-2643 · NIIN 013312643 · Part number 10490290

The Columbus Equipment Company · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 5A886

Government record, cited

NSN 2520-01-331-2643 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-331-2643. Manufacturer of record part number: 10490290.

Also searched as 2520-01-331-2643 · 2520013312643 · NIIN 013312643 · 01-331-2643 · FSC 2520 Vehicular Power Transmission Components · CAGE 5A886 · 10490290 · RF0/40-2

Nearby stock numbers ← 2520-01-331-2642 Disk, Clutch, Vehicular · 2520-01-331-2665 →

Features

Disk,clutch,vehicular — FSC 2520
1 manufacturer part number on file
Manufacturer of record: The Columbus Equipment Company

Identification

NSN: 2520-01-331-2643
NIIN: 013312643
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 10490290
Manufacturer: The Columbus Equipment Company

General Description

The Disk,clutch,vehicular, cataloged under National Stock Number 2520-01-331-2643, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is The Columbus Equipment Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Disk,clutch,vehicular
FSC / FSG	2520 — Vehicular Power Transmission Components (FSG 25)
Manufacturers	The Columbus Equipment Company (CAGE 5A886)

Technical Specifications

Parameter	Value
NSN	2520-01-331-2643
Primary Part Number	10490290
Item Name	Disk,clutch,vehicular
FSC / FSG	2520 / 25 — Vehicular Power Transmission Components
Manufacturer	The Columbus Equipment Company
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)

Cross-Reference Index

Part Number	Manufacturer
10490290 PRIMARY	The Columbus Equipment Company (USA)

Reference documents

Reference	Meaning
10490290	5/9 Secondary reference Ingersoll-Rand Canada Inc
RF0/40-2	5/9 Secondary reference Ingersoll-Rand Canada Inc

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 2520-01-331-2643?

NSN 2520-01-331-2643 is a Disk,clutch,vehicular, manufactured by The Columbus Equipment Company, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-331-2643?

NSN 2520-01-331-2643 has 1 manufacturer part number on file: 10490290 (The Columbus Equipment Company).

Is NSN 2520-01-331-2643 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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