PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15506903Transmission,mechanical,vehicula

General Motors Llc Dba General Motors Llc · NSN 2520-01-049-6539 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-049-6539 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-049-6539. Primary manufacturer part number: 15506903.
Features
  • Transmission,mechanical,vehicula — FSC 2520
  • 6 verified cross-references
  • Primary manufacturer: General Motors Llc Dba General Motors Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmission,mechanical,vehicula, cataloged under National Stock Number 2520-01-049-6539, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransmission,mechanical,vehicula
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersGeneral Motors Corp Chevrolet Motor Div Special Products Dept (CAGE 11862); Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (CAGE 23862); General Motors Llc Dba General Motors Llc (CAGE 7X677)
Technical Specifications
ParameterValue
NSN2520-01-049-6539
Primary Part Number15506903
Item NameTransmission,mechanical,vehicula
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-293-4373234101N INTERCHANGEABLE
Diaphragm,chamber,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3040-01-348-1563792827-1 INTERCHANGEABLE
Weight,counterbalance
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
2020790 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
792827 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
15506903 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
2020790 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
15506903 PRIMARY General Motors Llc Dba General Motors Llc (USA)
792827 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
Related Parts
2530-00-293-4373INTERCHANGEABLE
DIAPHRAGM,CHAMBER,BRAKE
234101N
3040-01-348-1563INTERCHANGEABLE
WEIGHT,COUNTERBALANCE
792827-1

Frequently Asked Questions

What is NSN 2520-01-049-6539?

NSN 2520-01-049-6539 is a Transmission,mechanical,vehicula, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-049-6539?

NSN 2520-01-049-6539 has 6 cross-referenced part numbers: 2020790 (General Motors Corp Chevrolet Motor Div Special Products Dept), 792827 (General Motors Corp Chevrolet Motor Div Special Products Dept), 15506903 (General Motors Corp Chevrolet Motor Div Special Products Dept), 2020790 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 15506903 (General Motors Llc Dba General Motors Llc) and 1 more.

What NSN replaces 2520-01-049-6539?

There are 2 known substitutes for 2520-01-049-6539: 2530-00-293-4373, 3040-01-348-1563. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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