Shell, Fluid Heater, Industrial4420-01-343-0642

NSN 4420-01-343-0642 · NIIN 013430642

FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors

Government record, cited

Also searched as 4420-01-343-0642 · 4420013430642 · NIIN 013430642 · 01-343-0642 · FSC 4420 Heat Exchangers and Steam Condensers · 4-600-12-090-010 · 51261209001 · 460012090010

Nearby stock numbers ← 4420-01-342-9381 · 4420-01-343-2483 Core Assembly, Fluid Cooler →

Features

Shell,fluid Heater,industrial — FSC 4420
Flange Diameter: 16.500 INCHES NOMINAL16.500 INCHES NOMINAL IN
Length: 12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN
Style Designator: MOUNTING FLANGE
Material Document and Classification: MIL-C-15730K MIL SPEC ALL MATERIAL RESPONSES OVERALL
Diameter: 87.876 INCHES NOMINAL87.876 INCHES NOMINAL IN
Material: COPPER ALLOY OVERALL

Identification

NSN: 4420-01-343-0642
NIIN: 013430642
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors

General Description

The Shell,fluid Heater,industrial, cataloged under National Stock Number 4420-01-343-0642, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4420-01-343-0642
Item Name	Shell,fluid Heater,industrial
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Status	ACTIVE
Flange Diameter	16.500 INCHES NOMINAL16.500 INCHES NOMINAL IN
Length	12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN
Style Designator	MOUNTING FLANGE
Material Document and Classification	MIL-C-15730K MIL SPEC ALL MATERIAL RESPONSES OVERALL
Diameter	87.876 INCHES NOMINAL87.876 INCHES NOMINAL IN
Material	COPPER ALLOY OVERALL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
4-600-12-090-010	5/9 Secondary reference Itt Corporation Dba Itt Standard
51261209001	D/9 Drawing number reference only Itt Corporation Dba Itt Standard
460012090010	3/9 Design control — primary reference Itt Corporation Dba Itt Standard

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 4420-01-343-0642?

NSN 4420-01-343-0642 is a Shell,fluid Heater,industrial, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What are the specifications of 4420-01-343-0642?

Key specifications for 4420-01-343-0642: Flange Diameter: 16.500 INCHES NOMINAL16.500 INCHES NOMINAL IN; Length: 12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN; Style Designator: MOUNTING FLANGE; Material Document and Classification: MIL-C-15730K MIL SPEC ALL MATERIAL RESPONSES OVERALL. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-343-0642 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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