8521581 — CORE ASSEMBLY,FLUID COOLER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8521581: CORE ASSEMBLY,FLUID COOLER.

The CORE ASSEMBLY,FLUID COOLER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY TUBES, core_width: 3.070 INCHES NOMINAL IN, core_height: 3.490 INCHES NOMINAL IN, core_length: 8.813 INCHES NOMINAL IN, core_diameter: 3.070 INCHES NOMINAL IN, tube_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 4420-00-142-1348, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

8521581

NSN: 4420-00-142-1348
FSC: 4420 — Heat Exchangers and Steam Condensers
CAGE: 24617 — GENERAL MOTORS CORP (USA)

SPECIFICATIONS

material	COPPER ALLOY TUBES
core_width	3.070 INCHES NOMINAL IN
core_height	3.490 INCHES NOMINAL IN
core_length	8.813 INCHES NOMINAL IN
core_diameter	3.070 INCHES NOMINAL IN
tube_quantity	12
style_designator	PLATE, OBLONG
heat_transfer_method	INDIRECT
effective_heat_transfer_surface_area	5.4 SQUARE FEET
material_document_and_classification	MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
NSN	4420-00-142-1348

COMPONENT DIAGRAM

KEY FEATURES

•

CORE WIDTH: 3.070 INCHES NOMINAL IN

•

HEAT TRANSFER METHOD: INDIRECT

•

EFFECTIVE HEAT TRANSFER SURFACE AREA: 5.4 SQUARE FEET

•

CORE HEIGHT: 3.490 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PLATE, OBLONG

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES

•

CORE DIAMETER: 3.070 INCHES NOMINAL IN

•

TUBE QUANTITY: 12

TECHNICAL CHARACTERISTICS

CORE WIDTH	3.070 INCHES NOMINAL IN
HEAT TRANSFER METHOD	INDIRECT
EFFECTIVE HEAT TRANSFER SURFACE AREA	5.4 SQUARE FEET
CORE HEIGHT	3.490 INCHES NOMINAL IN
STYLE DESIGNATOR	PLATE, OBLONG
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
CORE DIAMETER	3.070 INCHES NOMINAL IN
TUBE QUANTITY	12
CORE LENGTH	8.813 INCHES NOMINAL IN
MATERIAL	COPPER ALLOY TUBES

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 4420-00-004-1071 4420-00-004-1072 4420-00-004-1073 4420-00-004-1074 4420-00-004-3860 4420-00-004-5260 4420-00-005-2335

SUBSTITUTES & CROSS-REFERENCES 3

D8521581Reference document

Same NSN cross-reference

Reference document — Secondary reference

D3183618Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

E8521569PC18Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8521581?

8521581 is a CORE ASSEMBLY,FLUID COOLER.

What parts can replace 8521581?

There are 3 known substitutes for 8521581: D8521581, D3183618, E8521569PC18. Substitute compatibility should be verified for your specific system.

What is the NSN for 8521581?

8521581 is cataloged in the U.S. Government catalog under NSN 4420-00-142-1348. This indicates validated use in U.S. government and defense supply chains.

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8521581 — CORE ASSEMBLY,FLUID COOLER

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