PartsTable TECHNICAL DATA SHEET
NSN 4420-01-677-1538Government record, cited

Cooler, Fluid, Industrial4420-01-677-1538

NSN 4420-01-677-1538 · NIIN 016771538 · Part number S41A-IS10-FEA
Sondex, Inc. · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 5UCE1
Government record, cited
NSN 4420-01-677-1538 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-677-1538. Manufacturer of record part number: S41A-IS10-FEA.
Also searched as  4420-01-677-1538 · 4420016771538 · NIIN 016771538 · 01-677-1538 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 5UCE1 · S41A-IS10-FEA
Nearby stock numbers  ·
Features
  • Cooler,fluid,industrial — FSC 4420
  • Heat Transfer Method: DIRECT
  • Style Designator: OBLONG
  • Material: TITANIUM PLATES
  • 1 manufacturer part number on file
  • Manufacturer of record: Sondex, Inc.
Identification
  • NSN: 4420-01-677-1538
  • NIIN: 016771538
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: S41A-IS10-FEA
  • Manufacturer: Sondex, Inc.
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-677-1538, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Sondex, Inc.. Government technical data includes 3 specifications, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-677-1538
Primary Part NumberS41A-IS10-FEA
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerSondex, Inc.
StatusACTIVE
Heat Transfer MethodDIRECT
Style DesignatorOBLONG
MaterialTITANIUM PLATES
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
S41A-IS10-FEA PRIMARY Sondex, Inc. (USA)
No interchangeability data on file.
Other items in FSC 4420 — Heat Exchangers and Steam Condensers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4420-00-003-2812
CORE ASSEMBLY,FLUID HEATER,INDUS
4420-00-004-1071
4420-00-004-1071 · Item name not on file
4420-00-004-1072
4420-00-004-1072 · Item name not on file
4420-00-004-1073
4420-00-004-1073 · Item name not on file
4420-00-004-1074
4420-00-004-1074 · Item name not on file
4420-00-004-3860
COOLER,FLUID,INDUSTRIAL
4420-00-004-5260
4420-00-004-5260 · Item name not on file
4420-00-005-2335
PURGE ORIFICE ASSEMBLY

Frequently Asked Questions

What is NSN 4420-01-677-1538?

NSN 4420-01-677-1538 is a Cooler,fluid,industrial, manufactured by Sondex, Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-677-1538?

NSN 4420-01-677-1538 has 1 manufacturer part number on file: S41A-IS10-FEA (Sondex, Inc.).

What are the specifications of S41A-IS10-FEA?

Key specifications for S41A-IS10-FEA: Heat Transfer Method: DIRECT; Style Designator: OBLONG; Part Name Assigned by Controlling Agency: PLATE ARRANGEMENT ASSEMBLY; Material: TITANIUM PLATES. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-677-1538 hazardous material?

No hazard code in the DLA record (HMIC N). 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.
PartsTable Design LLC · partstable.com