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NSN 4420-01-048-6557Government record, cited

Cooler, Fluid, Industrial4420-01-048-6557

NSN 4420-01-048-6557 · NIIN 010486557 · Part number 43D193
L3harris Maritime Power & Energy Solutions, Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 04801
Government record, cited
NSN 4420-01-048-6557 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-048-6557. Manufacturer of record part number: 43D193.
Also searched as  4420-01-048-6557 · 4420010486557 · NIIN 010486557 · 01-048-6557 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 04801 · 43D193 · 30D4226 PIECE 4
Nearby stock numbers  ·
Features
  • Cooler,fluid,industrial — FSC 4420
  • Length: 10.620 INCHES NOMINAL IN
  • Style Designator: PLAIN U-TUBE
  • Diameter: 4.500 INCHES NOMINAL IN
  • Height: 5.000 INCHES NOMINAL IN
  • 2 manufacturer part numbers on file
  • Manufacturer of record: L3harris Maritime Power & Energy Solutions, Inc
Identification
  • NSN: 4420-01-048-6557
  • NIIN: 010486557
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: 43D193
  • Manufacturer: L3harris Maritime Power & Energy Solutions, Inc
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-048-6557, 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 L3harris Maritime Power & Energy Solutions, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-048-6557
Primary Part Number43D193
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerL3harris Maritime Power & Energy Solutions, Inc
StatusACTIVE
Length10.620 INCHES NOMINAL IN
Style DesignatorPLAIN U-TUBE
Diameter4.500 INCHES NOMINAL IN
Height5.000 INCHES NOMINAL IN
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
30D4226 PIECE 4 L3harris Maritime Power & Energy Solutions, Inc (USA)
43D193 PRIMARY L3harris Maritime Power & Energy Solutions, 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 4420-01-048-6557?

NSN 4420-01-048-6557 is a Cooler,fluid,industrial, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-048-6557?

NSN 4420-01-048-6557 has 2 manufacturer part numbers on file: 30D4226 PIECE 4 (L3harris Maritime Power & Energy Solutions, Inc), 43D193 (L3harris Maritime Power & Energy Solutions, Inc).

What are the specifications of 43D193?

Key specifications for 43D193: Length: 10.620 INCHES NOMINAL IN; Style Designator: PLAIN U-TUBE; Diameter: 4.500 INCHES NOMINAL IN; Height: 5.000 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-048-6557 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.
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