PartsTable TECHNICAL DATA SHEET
NSN 4420-01-303-4268Government record, cited

Cooler, Fluid, Industrial4420-01-303-4268

NSN 4420-01-303-4268 · NIIN 013034268 · Part number 376-51836D
Johnson Controls Navy Systems, Llc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 66935
Government record, cited
NSN 4420-01-303-4268 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-303-4268. Manufacturer of record part number: 376-51836D.
Also searched as  4420-01-303-4268 · 4420013034268 · NIIN 013034268 · 01-303-4268 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 66935 · 376-51836D
Nearby stock numbers  ·
Features
  • Cooler,fluid,industrial — FSC 4420
  • 1 manufacturer part number on file
  • Manufacturer of record: Johnson Controls Navy Systems, Llc
Identification
  • NSN: 4420-01-303-4268
  • NIIN: 013034268
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: 376-51836D
  • Manufacturer: Johnson Controls Navy Systems, Llc
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-303-4268, 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 Johnson Controls Navy Systems, Llc. 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
NSN4420-01-303-4268
Primary Part Number376-51836D
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerJohnson Controls Navy Systems, Llc
StatusACTIVE
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
376-51836D PRIMARY Johnson Controls Navy Systems, Llc (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 4420-01-303-4268?

NSN 4420-01-303-4268 is a Cooler,fluid,industrial, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-303-4268?

NSN 4420-01-303-4268 has 1 manufacturer part number on file: 376-51836D (Johnson Controls Navy Systems, Llc).

What are the specifications of 376-51836D?

Key specifications for 376-51836D: Special Features: 72 TUBES-82.5IN OVERALL LENGTH-SHELL CHAMBER-TUBE CHAMBER-FLANGED INLET AND OUTLET WATER CONNECTIONS IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-303-4268 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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