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NSN 4420-01-354-9579Government record, cited

Plate, Fluid Cooler4420-01-354-9579

NSN 4420-01-354-9579 · NIIN 013549579 · Part number D-81903-1 PIECE 30
Tranter Phe Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 64525
Government record, cited
NSN 4420-01-354-9579 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-354-9579. Manufacturer of record part number: D-81903-1 PIECE 30.
Also searched as  4420-01-354-9579 · 4420013549579 · NIIN 013549579 · 01-354-9579 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 64525 · D-81903-1 PIECE 30 · A-81903-14
Nearby stock numbers  ·
Features
  • Plate,fluid Cooler — FSC 4420
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Tranter Phe Inc
Identification
  • NSN: 4420-01-354-9579
  • NIIN: 013549579
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: D-81903-1 PIECE 30
  • Manufacturer: Tranter Phe Inc
General Description

The Plate,fluid Cooler, cataloged under National Stock Number 4420-01-354-9579, 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 Tranter Phe Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NamePlate,fluid Cooler
FSC / FSG4420 — Heat Exchangers and Steam Condensers (FSG 44)
ManufacturersTranter Phe Inc (CAGE 64525)
Technical Specifications
ParameterValue
NSN4420-01-354-9579
Primary Part NumberD-81903-1 PIECE 30
Item NamePlate,fluid Cooler
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerTranter Phe Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
D-81903-1 PIECE 30 PRIMARY Tranter Phe Inc (USA)
A-81903-14 Tranter Phe 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 4420-01-354-9579?

NSN 4420-01-354-9579 is a Plate,fluid Cooler, manufactured by Tranter Phe Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-354-9579?

NSN 4420-01-354-9579 has 2 manufacturer part numbers on file: D-81903-1 PIECE 30 (Tranter Phe Inc), A-81903-14 (Tranter Phe Inc).

Is NSN 4420-01-354-9579 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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