PartsTable TECHNICAL DATA SHEET
NSN 4420-01-220-6952Government record, cited

Core Assembly, Fluid Cooler4420-01-220-6952

NSN 4420-01-220-6952 · NIIN 012206952 · Part number 265184
Young Touchstone Company Div Young Touchstone · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 67049
Government record, cited
NSN 4420-01-220-6952 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-220-6952. Manufacturer of record part number: 265184.
Also searched as  4420-01-220-6952 · 4420012206952 · NIIN 012206952 · 01-220-6952 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 67049 · 265184
Nearby stock numbers  ·
Features
  • Core Assembly,fluid Cooler — FSC 4420
  • 1 manufacturer part number on file
  • Manufacturer of record: Young Touchstone Company Div Young Touchstone
Identification
  • NSN: 4420-01-220-6952
  • NIIN: 012206952
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: 265184
  • Manufacturer: Young Touchstone Company Div Young Touchstone
General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-220-6952, 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 Young Touchstone Company Div Young Touchstone. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-220-6952
Primary Part Number265184
Item NameCore Assembly,fluid Cooler
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerYoung Touchstone Company Div Young Touchstone
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-429-1324265184 POSSIBLE MATCH
ROTOR AND SHAFT PUMP ASSEMBLY
Possible match (shared part number)Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
265184 PRIMARY Young Touchstone Company Div Young Touchstone (USA)
Related Parts
4320-01-429-1324POSSIBLE MATCH
ROTOR AND SHAFT PUMP ASSEMBLY
265184

Frequently Asked Questions

What is NSN 4420-01-220-6952?

NSN 4420-01-220-6952 is a Core Assembly,fluid Cooler, manufactured by Young Touchstone Company Div Young Touchstone, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-220-6952?

NSN 4420-01-220-6952 has 1 manufacturer part number on file: 265184 (Young Touchstone Company Div Young Touchstone).

What NSN replaces 4420-01-220-6952?

1 possible match (shared part number, not a government interchangeability claim): 4320-01-429-1324. Verify interchangeability with system specifications before substitution.

What are the specifications of 265184?

Key specifications for 265184: End Item Identification: 6110-01-155-7000. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-220-6952 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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