PartsTable TECHNICAL DATA SHEET
NSN 4420-01-515-5635Government record, cited

Cooler, Fluid, Industrial4420-01-515-5635

NSN 4420-01-515-5635 · NIIN 015155635 · Part number CEM-1870
Air & Gas Tech Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 1U214
Government record, cited
NSN 4420-01-515-5635 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-515-5635. Manufacturer of record part number: CEM-1870.
Also searched as  4420-01-515-5635 · 4420015155635 · NIIN 015155635 · 01-515-5635 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 1U214 · CEM-1870 · 6966538 · 7540169 ITEM 1
Nearby stock numbers  ·
Features
  • Cooler,fluid,industrial — FSC 4420
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Air & Gas Tech Inc
Identification
  • NSN: 4420-01-515-5635
  • NIIN: 015155635
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: CEM-1870
  • Manufacturer: Air & Gas Tech Inc
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-515-5635, 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 Air & Gas Tech Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-515-5635
Primary Part NumberCEM-1870
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerAir & Gas Tech Inc
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
CEM-1870 PRIMARY Air & Gas Tech Inc (USA)
6966538 Naval Sea Systems Command (USA)
7540169 ITEM 1 Naval Sea Systems Command (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 4420-01-515-5635?

NSN 4420-01-515-5635 is a Cooler,fluid,industrial, manufactured by Air & Gas Tech Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-515-5635?

NSN 4420-01-515-5635 has 3 manufacturer part numbers on file: CEM-1870 (Air & Gas Tech Inc), 6966538 (Naval Sea Systems Command), 7540169 ITEM 1 (Naval Sea Systems Command).

What are the specifications of CEM-1870?

Key specifications for CEM-1870: End Item Identification: SPECIFICALLY USED ON MAIN REDUCTION GEARS OF NAVY SHIPS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-515-5635 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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