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NSN 4420-01-184-3971Government record, cited

Heater, Fluid, Industrial4420-01-184-3971

NSN 4420-01-184-3971 · NIIN 011843971 · Part number 90-4.4.1ALT2-E-620
Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 35795
Government record, cited
NSN 4420-01-184-3971 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-184-3971. Manufacturer of record part number: 90-4.4.1ALT2-E-620.
Also searched as  4420-01-184-3971 · 4420011843971 · NIIN 011843971 · 01-184-3971 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 35795 · 90-4.4.1ALT2-E-620 · 006607010DD-D-620
Nearby stock numbers  ·
Features
  • Heater,fluid,industrial — FSC 4420
  • 1 manufacturer part number on file
  • Manufacturer of record: Leslie Controls, Inc. Dba Leslie Controls Inc
Identification
  • NSN: 4420-01-184-3971
  • NIIN: 011843971
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: 90-4.4.1ALT2-E-620
  • Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description

The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-184-3971, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameHeater,fluid,industrial
FSC / FSG4420 — Heat Exchangers and Steam Condensers (FSG 44)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4420-01-184-3971
Primary Part Number90-4.4.1ALT2-E-620
Item NameHeater,fluid,industrial
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerLeslie Controls, Inc. Dba Leslie Controls 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
90-4.4.1ALT2-E-620 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Reference documents
ReferenceMeaning
006607010DD-D-620 5/9 Secondary reference
Leslie Controls, Inc. Dba Leslie Controls Inc
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 4420-01-184-3971?

NSN 4420-01-184-3971 is a Heater,fluid,industrial, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-184-3971?

NSN 4420-01-184-3971 has 1 manufacturer part number on file: 90-4.4.1ALT2-E-620 (Leslie Controls, Inc. Dba Leslie Controls Inc).

Is NSN 4420-01-184-3971 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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