NSN 2520-01-666-4052 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-666-4052. Manufacturer of record part number: 3817191.
Also searched as2520-01-666-4052 ·
2520016664052 ·
NIIN 016664052 ·
01-666-4052 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 75Q65 · 3817191 · MJ 4495 · MT 933477
Nearby stock numbers← 2520-01-666-3526 Transfer Transmission Assembly
·
2520-01-666-7674 Parts Kit, Mechanical Transmissio →
Features
Transfer Transmission Assembly — FSC 2520
4 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc
Identification
NSN: 2520-01-666-4052
NIIN: 016664052
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 3817191
Manufacturer: Oshkosh Defense Llc
General Description
The Transfer Transmission Assembly, cataloged under National Stock Number 2520-01-666-4052, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Transfer Transmission Assembly
FSC / FSG
2520 — Vehicular Power Transmission Components (FSG 25)
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 2520-01-666-4052?
NSN 2520-01-666-4052 is a Transfer Transmission Assembly, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-666-4052?
NSN 2520-01-666-4052 has 4 manufacturer part numbers on file: 3817191 (Oshkosh Corp), 3817191 (Oshkosh Defense Llc), MJ 4495 (Marmon-Herrington Company), MT 933477 (Marmon-Herrington Company).
Is NSN 2520-01-666-4052 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.