PartsTable TECHNICAL DATA SHEET
NSN 4420-01-389-4666Government record, cited

Liner, Heat Exchanger4420-01-389-4666

NSN 4420-01-389-4666 · NIIN 013894666 · Part number A50223 24171 LINER
Apv Crepaco Inc · FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors · CAGE 0LWP3
Government record, cited
NSN 4420-01-389-4666 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-389-4666. Manufacturer of record part number: A50223 24171 LINER.
Also searched as  4420-01-389-4666 · 4420013894666 · NIIN 013894666 · 01-389-4666 · FSC 4420 Heat Exchangers and Steam Condensers · CAGE 0LWP3 · A50223 24171 LINER
Nearby stock numbers  ·
Features
  • Liner,heat Exchanger — FSC 4420
  • Departure From Cited Document: AS MODIFIED BY MATERIAL
  • 1 manufacturer part number on file
  • Manufacturer of record: Apv Crepaco Inc
Identification
  • NSN: 4420-01-389-4666
  • NIIN: 013894666
  • FSC: 4420 — Heat Exchangers and Steam Condensers
  • FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors
  • Primary part number: A50223 24171 LINER
  • Manufacturer: Apv Crepaco Inc
General Description

The Liner,heat Exchanger, cataloged under National Stock Number 4420-01-389-4666, 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 Apv Crepaco Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
NSN4420-01-389-4666
Primary Part NumberA50223 24171 LINER
Item NameLiner,heat Exchanger
FSC / FSG4420 / 44 — Heat Exchangers and Steam Condensers
ManufacturerApv Crepaco Inc
StatusACTIVE
Departure From Cited DocumentAS MODIFIED BY MATERIAL
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
A50223 24171 LINER PRIMARY Apv Crepaco 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 4420-01-389-4666?

NSN 4420-01-389-4666 is a Liner,heat Exchanger, manufactured by Apv Crepaco Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What part numbers are listed for NSN 4420-01-389-4666?

NSN 4420-01-389-4666 has 1 manufacturer part number on file: A50223 24171 LINER (Apv Crepaco Inc).

What are the specifications of A50223 24171 LINER?

Key specifications for A50223 24171 LINER: Departure From Cited Document: AS MODIFIED BY MATERIAL; End Item Identification: HEAT EXCHANGER,MODEL 6GHM,APV CREPACO INC.. 1 specification is documented in the U.S. Government catalog.

Is NSN 4420-01-389-4666 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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