PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1979Cooler Hydraulic

Thermal Engineering International (usa) Inc. · NSN 4920-00-251-3529 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-251-3529 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-251-3529. Primary manufacturer part number: C1979.
Features
  • Cooler Hydraulic — FSC 4920
  • 4 verified cross-references
  • Primary manufacturer: Thermal Engineering International (usa) Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Cooler Hydraulic, cataloged under National Stock Number 4920-00-251-3529, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Thermal Engineering International (usa) Inc.. This item has 4 commercial cross-references from 4 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 NameCooler Hydraulic
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Liquidonics Industries Inc (CAGE 17050); Thermal Engineering International (usa) Inc. (CAGE 1MME1); Thermal Engineering International Usa Inc (CAGE 1GT86)
Technical Specifications
ParameterValue
NSN4920-00-251-3529
Primary Part NumberC1979
Item NameCooler Hydraulic
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerThermal Engineering International (usa) Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4920-01-199-8449111-012 INTERCHANGEABLE
Cooler,oil,hydraulic
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
4310-01-367-7603363-C1979 INTERCHANGEABLE
Cylinder Sleeve
Rix Industries
Cross-Reference Index
Part NumberManufacturer
68A5D38 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
1436-213 Liquidonics Industries Inc (USA)
C1979 PRIMARY Thermal Engineering International (usa) Inc. (USA)
C1979 Thermal Engineering International Usa Inc (USA)
Related Parts
4920-01-199-8449INTERCHANGEABLE
COOLER,OIL,HYDRAULIC
111-012
4310-01-367-7603INTERCHANGEABLE
CYLINDER SLEEVE
363-C1979

Frequently Asked Questions

What is NSN 4920-00-251-3529?

NSN 4920-00-251-3529 is a Cooler Hydraulic, manufactured by Thermal Engineering International (usa) Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-251-3529?

NSN 4920-00-251-3529 has 4 cross-referenced part numbers: 68A5D38 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1436-213 (Liquidonics Industries Inc), C1979 (Thermal Engineering International (usa) Inc.), C1979 (Thermal Engineering International Usa Inc).

What NSN replaces 4920-00-251-3529?

There are 2 known substitutes for 4920-00-251-3529: 4920-01-199-8449, 4310-01-367-7603. Verify interchangeability with system specifications before substitution.

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