Core Assembly, Fluid Cooler4420-01-315-6451

NSN 4420-01-315-6451 · NIIN 013156451

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

Government record, cited

Also searched as 4420-01-315-6451 · 4420013156451 · NIIN 013156451 · 01-315-6451 · FSC 4420 Heat Exchangers and Steam Condensers · 700-7540 PC 4 · 534-07585-000 06 · 534-7585C

Nearby stock numbers ← 4420-01-315-6025 Shell, Fluid Cooler, Industrial · 4420-01-315-6729 Cooler, Fluid, Industrial →

Features

Core Assembly,fluid Cooler — FSC 4420
Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL
Material Document and Classification: MIL-T-20168 A MIL SPEC SINGLE MATERIAL RESPONSE TUBES A
Core Diameter: 26.000 INCHES NOMINAL IN
Tube Quantity: 59
Material Thickness: 0.065 INCHES NOMINAL IN
Core Length: 82.125 INCHES NOMINAL IN
Tubing Outside Diameter: 0.540 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN

Identification

NSN: 4420-01-315-6451
NIIN: 013156451
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors

General Description

The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-315-6451, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4420-01-315-6451
Item Name	Core Assembly,fluid Cooler
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Status	ACTIVE
Style Designator	STRAIGHT PLAIN TUBE, CYLINDRICAL
Material Document and Classification	MIL-T-20168 A MIL SPEC SINGLE MATERIAL RESPONSE TUBES A
Core Diameter	26.000 INCHES NOMINAL IN
Tube Quantity	59
Material Thickness	0.065 INCHES NOMINAL IN
Core Length	82.125 INCHES NOMINAL IN
Tubing Outside Diameter	0.540 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
Material	BRASS TUBES

Lifecycle & Compliance

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
700-7540 PC 4	5/1 Secondary reference Aqua-Chem, Inc.
534-07585-000 06	3/1 Design control — primary reference Aqua-Chem, Inc. Dba Aqua-Chem Inc
534-7585C	5/9 Secondary reference Aqua-Chem, Inc.

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 4420-01-315-6451?

NSN 4420-01-315-6451 is a Core Assembly,fluid Cooler, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What are the specifications of 4420-01-315-6451?

Key specifications for 4420-01-315-6451: Style Designator: STRAIGHT PLAIN TUBE, CYLINDRICAL; Material Document and Classification: MIL-T-20168 A MIL SPEC SINGLE MATERIAL RESPONSE TUBES A; Core Diameter: 26.000 INCHES NOMINAL IN; Tube Quantity: 59. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4420-01-315-6451 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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