NSN 2520-01-134-3665 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-134-3665. Manufacturer of record part number: A-3266-Y-623.
Also searched as2520-01-134-3665 ·
2520011343665 ·
NIIN 011343665 ·
01-134-3665 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 78500 · A-3266-Y-623 · A-3266-Y-623X
General Characteristics Item Description: CONSISTS OF 1 SEAL,OIL COVER,INPUT SHAFT FSCM 78500 P/N A-1205-U-1529X
1 manufacturer part number on file
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc
Identification
NSN: 2520-01-134-3665
NIIN: 011343665
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: A-3266-Y-623
Manufacturer: Meritor Heavy Vehicle Systems, Llc
General Description
The Cover,transfer Case, cataloged under National Stock Number 2520-01-134-3665, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Parameter
Value
NSN
2520-01-134-3665
Primary Part Number
A-3266-Y-623
Item Name
Cover,transfer Case
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Meritor Heavy Vehicle Systems, Llc
Status
ACTIVE
General Characteristics Item Description
CONSISTS OF 1 SEAL,OIL COVER,INPUT SHAFT FSCM 78500 P/N A-1205-U-1529X
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.
2520-00-000-3976
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 2520-01-134-3665?
NSN 2520-01-134-3665 is a Cover,transfer Case, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-134-3665?
NSN 2520-01-134-3665 has 1 manufacturer part number on file: A-3266-Y-623 (Meritor Heavy Vehicle Systems, Llc).
What are the specifications of A-3266-Y-623?
Key specifications for A-3266-Y-623: General Characteristics Item Description: CONSISTS OF 1 SEAL,OIL COVER,INPUT SHAFT FSCM 78500 P/N A-1205-U-1529X. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-01-134-3665 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.