PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

538239-1Cooler,lubricating Oil,engine

Triumph Thermal Systems, Llc · NSN 2935-01-127-3371 · FSC 2935 · No Item Name Available
Verified by PartsTable
NSN 2935-01-127-3371 — this item is cataloged by the U.S. Government under National Stock Number 2935-01-127-3371. Primary manufacturer part number: 538239-1.
Features
  • Cooler,lubricating Oil,engine — FSC 2935
  • Heat Transfer Method: INDIRECT
  • Material: ALUMINUM OVERALL
  • 4 verified cross-references
  • Primary manufacturer: Triumph Thermal Systems, Llc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
  • Applications requiring Aluminum Overall construction
General Description

The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-01-127-3371, is classified within Federal Supply Class 2935 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Triumph Thermal Systems, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2935-01-127-3371
Primary Part Number538239-1
Item NameCooler,lubricating Oil,engine
FSC / FSG2935 / 29 — No Item Name Available
ManufacturerTriumph Thermal Systems, Llc
StatusACTIVE
Heat Transfer MethodINDIRECT
MaterialALUMINUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5977-00-538-212139637 INTERCHANGEABLE
Holder Assembly,electrical Conta
Meggitt (new Hampshire), Inc
6640-01-063-104839637 INTERCHANGEABLE
Paper,lens
Mine Safety Appliances Company
5950-01-080-0154 INTERCHANGEABLE
Coil,electrical
5310-01-099-7021197551 INTERCHANGEABLE
Washer,flat
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
2805-01-110-8451 INTERCHANGEABLE
Ring Set
5365-01-137-102223748 INTERCHANGEABLE
Shim
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5325-01-173-094923748 INTERCHANGEABLE
Ring,retaining
Alliance Laundry Systems Llc
5330-01-324-158139637 INTERCHANGEABLE
Gasket
Elbitamerica, Inc.
4820-01-335-7285987231 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division
5998-01-466-755017-40770-1 INTERCHANGEABLE
Electronic Components Assembly
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
39637 Williams International Co., L.l.c. (USA)
538239-1 PRIMARY Triumph Thermal Systems, Llc (USA)
23748 Williams International Co., L.l.c. (USA)
5F290-000 Grimes Aerospace Company (USA)
Related Parts
5977-00-538-2121INTERCHANGEABLE
HOLDER ASSEMBLY,ELECTRICAL CONTA
39637
6640-01-063-1048INTERCHANGEABLE
PAPER,LENS
39637
5950-01-080-0154INTERCHANGEABLE
COIL,ELECTRICAL
5310-01-099-7021INTERCHANGEABLE
WASHER,FLAT
197551
2805-01-110-8451INTERCHANGEABLE
RING SET
5365-01-137-1022INTERCHANGEABLE
SHIM
23748
5325-01-173-0949INTERCHANGEABLE
RING,RETAINING
23748
5330-01-324-1581INTERCHANGEABLE
GASKET
39637
4820-01-335-7285INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
987231
5998-01-466-7550INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
17-40770-1
5305-01-522-3014INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
39637

Frequently Asked Questions

What is NSN 2935-01-127-3371?

NSN 2935-01-127-3371 is a Cooler,lubricating Oil,engine, manufactured by Triumph Thermal Systems, Llc, classified under FSC 2935 (No Item Name Available). Status: active.

What are the part numbers for NSN 2935-01-127-3371?

NSN 2935-01-127-3371 has 4 cross-referenced part numbers: 39637 (Williams International Co., L.l.c.), 538239-1 (Triumph Thermal Systems, Llc), 23748 (Williams International Co., L.l.c.), 5F290-000 (Grimes Aerospace Company).

What NSN replaces 2935-01-127-3371?

There are 11 known substitutes for 2935-01-127-3371: 5977-00-538-2121, 6640-01-063-1048, 5950-01-080-0154 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 538239-1?

Key specifications for 538239-1: Heat Transfer Method: INDIRECT; Material: ALUMINUM OVERALL. 2 total characteristics are documented in the Federal Logistics Information System.

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