NSN 2520-01-486-0439 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-486-0439. Manufacturer of record part number: 4N4405.
Also searched as2520-01-486-0439 ·
2520014860439 ·
NIIN 014860439 ·
01-486-0439 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 11083 · 4N4405
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2520-01-486-0439
NIIN: 014860439
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 4N4405
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Clutch Assembly,friction, cataloged under National Stock Number 2520-01-486-0439, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-486-0439
Primary Part Number
4N4405
Item Name
Clutch Assembly,friction
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 2520-01-486-0439?
NSN 2520-01-486-0439 is a Clutch Assembly,friction, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-486-0439?
NSN 2520-01-486-0439 has 1 manufacturer part number on file: 4N4405 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 4N4405?
Key specifications for 4N4405: End Item Identification: USED ON VARIOUS CATERPILLAR MOTOR SERIES: 7G7906, 7G84027, 3N9411, 3N9412, 3N9413, 3N9414, 4N4368, 4N4370, 6N1633, 6N2427, 6N4562, 6N4859, 6N6608, 6N9821, 6N7855, 6N6002, 6N4558 AND CHANGEOVER G N44985 AND 4N6019; LOGISTICS SUPPORT VESSEL. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-486-0439 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.